I beseech you therefore, brethren, by the mercies of God, that
..........YE present your bodies a living sacrifice, holy, acceptable unto God,
..........which is your reasonable service. Romans 12:1 
             tēn logikēn latreian humōn:

First, the body of flesh must be sacrificed or burned up:
Thu^si-a , Ion. -, h(, (thuō) prop. A. burnt-offering, sacrifice, “en thusiēsi einaiHdt.8.99;
Then, it is possible to engage in RATIONAL or SPIRITUAL worship:

Latin: Romans 12.1 obsecro itaque vos fratres per misericordiam Dei ut exhibeatis corpora vestra hostiamviventemsanctam Deo placentem rationabile obsequium vestrum
Rătĭōnābĭlis , e, adj. ratio (post-Aug.; = rationalis, which is in better use), I. reasonable, rational: he pure milk of reason, id. 1 Pet. 2, 2: “sententia vera et rationabilis,
Sententĭa , ae, f. for sentientia, from sentio,
I. a way of thinking, opinion, judgment, sentiment; a purpose, determination, decision, will, etc.
I. Transf., of words, discourse, etc., sense, meaning, signification, idea, notion, etc.
1. In gen., a thought expressed in words; a sentence, period: dum de singulis sententiis breviter disputo

Greek rational worship demands:

logi^k-os , ē, on, (logos)
A. of or for speaking or speech, merē l. the organs of speech, Plu.Cor.38:
merē  b. with Preps., “kata ti merosPl.Lg.757e; “kata to polu m.Id.Ti.86d; ek merous in part, “ginōskomen1 Ep.Cor.13.9
1Cor. 13:9 For we know in part, and we prophesy [inspired speech] in part.
1Cor. 13:10 But when that which is perfect is come, then that which is in part shall be done away.

Plut. Cor. 38 But that articulate speech, and language so clear and abundant and precise, [diērmosmenou meresi logikois] should proceed from a lifeless thing, is altogether impossible; since not even the soul of man, or the Deity, without a body duly organized and fitted with vocal parts, has ever spoken and conversed.
logikē, , speech,
Opposite. mousikē,
phantasia human imagination expressed in speech, c. creative imagination,
                “ph. sophōtera mimēseōs dēmiourgosPhilostr.VA6.19.
                 Opposite rhētorikē ph , poetry, human compositions

II.  possessed of reason, intellectual, “merosTi.Locr.99e, al.; “to l. zōon   
        dianoētikai, Mind Opposite. ēthikai, Arist.EN1108b9.
        Ethi^k-os , A. ēthos11) moral, Opposite. dianoētikos, Arist.EN1103a5,
        al.; ta ēthika a treatise on morals,
2. dialectical, argumentative, hoi l. dialogoi
    logical, l. sullogismoi, Opposite. rhētorikoi, Rh.1355a13.
peri logikōn title of work, Opposite to phusikon, to ēthikon,
And Phusikos is the opposite of logikos
phu^sikos , ē, onA. natural, produced or caused by nature, inborn, native,
II. of or concerning the order of external nature, natural, physical, ph. epistēmē
2. ho ph.an inquirer into nature, natural philosopher,
4. Adv. “-kōsaccording to the laws of nature,
phu^sikos  is the Opposite of logikōs,
Logos , Opposite. kata pathos, Arist.EN1169a5 or personal experiences
Opposite matēn , Dor. mata_n ma^, Adv. random, balse, dreams
Opposite human reasoning.
Opposite muthos, as history to legend, opposite Logos
intelligent utterance,  Opposite phōnē, 3. any articulate sound,
4. of sounds made by inanimate objects, mostly Poet., “kerkidos ph.S.Fr.595; suriggōnE.Tr.127 (lyr.); “aulōn Mnesim.4.56 (anap.); rare in early Prose, “organōn phōnai Pl.R.397a; freq. in LXX, “ ph. tēs salpiggosLXX Ex.20.18; ph. brontēs ib. Ps.103(104).7;
Opposite inarticulate noise (psophos
psoph-os , also of musical instruments, lōtou, kitharas, E.Ba.687, Cyc.443; of a trumpet, Paus.2.21.3.
prose, Opposite poiēsis, Id.R.390a; Opposite. psilometria, Arist.Po.1448a11; Opposite. emmetra, l. touto tōn metrōn (sc. to iambeion)“
pezoi, Opposite poiētikē,

pezos , ē, on, (v. pous) : 2. of verse, un accompanied by music, “kai peza kai phormiktaS.Fr.16 ; pezō goō: aneu aulou ē luras, without the lyre
2. without musical accompaniment (cf. 11.2), pausai melōdous' alla p. moi phrason. Pl.Sph.237a.

Matthew 11:28 Come unto me, all ye that labour and are heavy laden, and I will give you rest.
g373.  anapano, an-ap-ow´-o; from 303 and 3973; (reflexively) to repose (literally or figuratively (be exempt), remain); by implication, to refresh: — take ease, refresh, (give, take) rest.
g3973. pauo, pow´-o; a primary verb (“pause”); to stop (transitively or intransitively), i.e. restrain, quit, desist, come to an end: — cease, leave, refrain.
g3973. pauo, [same as sabbath] powЂ-o; a primary verb (“pause”); to stop (transitively or intransitively), i.e. restrain, quit, desist, come to an end: — cease, leave, refrain.
Stop the:  Melōd-eō  ,A. chant, sing, Ar.Av.226, 1381, Th.99:—Pass., to be chanted, “ta rhēthenta ē melōdēthentaPl.Lg.655d, cf. Chamael. ap. Ath. 14.620c; to be set to music, Cleanth. ap. Phld.Mus.p.98 K.; ta melōdoumena diastēmata used in music, Plu.2.1019a.
Stop the:  phrazō  2. show forth, tell, declare epos a hymn, song or lay accompanied by music, lines, poetry.
pauō , Il.19.67, etc. ;
Stop the: lupas ōdais p. E.Med.197 (anap.), etc. ; p. toxon let the bow rest, Od.21.279
Logos words are the OPPOSITE of Odes.

Stop the:
2. c. acc. pers. et gen. rei, hinder, keep back, or give one rest, from a thing, p. Hektora makhēs, ponoio Akhilēa, Thamurin aoidēs,
Stop the: 3. c. pres. part., stop a person from  leave off doing . . , hoth' hupnos heloi, pausaito te nēpiakheuōn when he stopped playing
Stop the: later paēsomai ana-) Apoc.14.13
Stop the: of one singing or speaking, 17.359, Hdt.7.8.d : generally, Med. denotes willing, Pass. forced, cessation.
Stop the rhapsōd-os , o(, A. reciter of Epic poems, sts. applied to the bard who recited his own poem, professional reciters, esp. of the poems of Homer, Hdt.5.67, Pl.Ion 530c, etc.: also rh. kuōn, ironically, of the Sphinx who chanted her riddle, S.OT391
(Prob. from rhaptō, aoidē; Hes.Fr. 265 speaks of himself and Homer as en nearois humnois rhapsantes aoidēn, and Pi.N.2.2 calls Epic poets rhaptōn epeōn aoidoi:
Stop the orkheomai , 2. represent by dancing or pantomime,
III. Act. orkheō , make to dance (v. Pl.Cra.407a), is used by Ion Trag.50, ek tōn aelptōn mallon ōrkhēsen phrenas made my heart leap

Rev 14.13] I heard the voice from heaven saying, "Write, 'Blessed are the dead who die in the Lord from now on.'" "Yes," says the Spirit, "that they may rest from their labors; for their works follow with them."
Spiritual worship or Reasonable worship is the Word of Christ only.
So, rational or spiritual worship is EXCLUSIVE of music which disables the mind.
Rational worship is of the reason or intellect.
Spiritual worship os Opposite to "sermonizing" or "moralizing which is:
Ethi^k-os , A. ēthos11) moral, Opposite. dianoētikos, Arist.EN1103a5, al.; ta ēthika a treatise on morals,
The Word of God is the only thing that can transform OUR spirit into the likeness of Christ's spirit:
Romans 12:2 And be not conformed to this world:
        but be ye transformed by the renewing of your mind,
        that ye may prove what is that good, and acceptable,
perfect, will of God.
Titus 3:5 Not by works of righteousness which we have done,
        but according to his mercy he saved us,
        by the washing of regeneration, and renewing of the holy spirit (Our's)
Just so that NO ONE can be taken captive, Paul uses parallelism and words which have their opposite meaning:
        Dionetikos or thinking, in turn, is the Opposite of Ethikos or composed songs or sermons.

Dionetikos A. of or for thinking, intellectual,
Opposite. ēthikē, Arist.EN1103a14, etc of a play, parts which display thought, mental images,
Aristot. Nic. Eth. 1103a.14 book 2.1. Virtue being, as we have seen, of two kinds, intellectual and moral, intellectual virtue is for the most part both produced and increased by instruction, and therefore requires experience and time; whereas moral or ethical virtue is the product of habit (ethos, and has indeed derived its name, with a slight variation of form, from that word.1 1. [2] And therefore it is clear that none of the moral virtues formed is engendered in us by nature,

1 It is probable that ethos, ‘habit’ and ēthos, ‘character’ (whence ‘ethical,’ moral) are kindred words.

Rational or Logikos worship includes the HUMAN tongue as the "organ" which is the Opposite of musical organs just as Logikos or rational worship is the Opposite of music.
dialekt-ikos , ē, on,
A. conversational,
2. d. organa organs of articulate speech, Opposite  phōnētika,
II. skilled in dialectic,ho erōtan kai apokrinesthai epistamenosPl.Cra.390c;
III. dialektikē (sc. tekhnē) dialectic, discussion by question and answer,
        epista^t-eō , pf. A. epestatēkaMichel164.10 (Delos):—to be an epistatēs, to be set over,
        II. . at Athens and elsewhere, to be epistatēs or president (in the boulē and ekklēsia),
        freq. at the head of decrees

The Ekklesia does not make up its on subject of discussion. The ekklesia or church is commanded to "speak one to another" with "that which is written for our learning" and then discuss it.  There are no lecturers. For instance:
Plat. Meno 75d I have made my statement; if it is wrong, your business is to examine and refute it. But if, like you and me on this occasion, we were friends and chose to have a discussion together, I should have to reply in some milder tone more suited to dialectic. The more dialectical way, I suppose, is not merely to answer what is true, but also to make use of those points which the questioned person acknowledges he knows. And this is the way in which I shall now try to argue with you. Tell me, is there something you call an end? Such a thing, I mean,
Rational or spiritual worship is Opposite

Phōn-eō , (phōnē) 4. of a musical instrument, sound, E.Or.146 (speak like the breath of a slender reed-pipe) (lyr.); of sounds, hēdu phōnein sound sweetly, but brontē ph. (thunder to strike with astonishment)) it has a voice, is significant, X.Ap.12.

Therion or the "beast" in Revelation is defined as "creating a new style of music or drama." This was always the sign of people trying to introduce new "gods."

God pronounces anathema on pseudo-prophets who speak their own words and claim that they are the words of the Spirit of Christ.

Jeremiah 23:25 I have heard what the prophets have said,
        who prophesy lies in my name, saying, I have dreamed, I have dreamed.
Jeremiah 23:26 How long shall this be in the heart of the prophets who prophesy lies,
        even the prophets of the deceit of their own heart?
Jeremiah 23:27 who think to cause my people to forget my name by their dreams
        which they tell every man to his neighbor, as their fathers forgot my name for Baal.

Xen. Apol. 12 12] As for introducing ‘new divinities,’ how could I be guilty of that merely in asserting that a voice of God is made manifest to me indicating my duty? Surely those who take their omens from the cries of birds and the utterances of men form their judgments on ‘voices.’ Will any one dispute either that thunder utters its ‘voice,’ or that it is an omen of the greatest moment? Does not the very priestess who sits on the tripod at Delphi divulge the god's will through a ‘voice’?

The Sign is: Sēmainō , Il.10.58, etc.; sa_mainō ,
The sound of the priestess of Apollo (Abaddon, Apollyon) from the "muses" was:
phthogg-os , o( (both Poet. and Prose),
2. of musical sounds,lōtos phthoggon keladeiE.El.716 (lyr.);lurasPl.Lg.812d, etc., cf. “phthoggous alurous thrēnoumen” 
b. pl., notes on a musical instrument; strings of lyre, D.Chr.10.19; stops of flute,
kela^d-eō , 2. of persons, shout aloud, atar keladēsan Akhaioi, in applause, Il.23.869; “eme dei k.Pratin. Lyr. 1.3, cf. B.l.c.; “keladeonti amphi Kinuran phamaiPi.P.2.15: c. acc. cogn., “k. humnousTerp.5, cf. Pi.N.4.16 codd.; “nomonId.Pae.2.101; “hadumelē kosmon k.Id.O.11(10).14; [boas, paianas, E.Ion93,
3. of various cries, e.g. of a new-born babe, A.Ch.609; of the swallow, Ar. Pax801, Ra.684; of the grasshopper, Theopomp. Com.l.c.; of the cock, ex eunas k. crows from his perch, Theoc.18.57; of bells, ring, tinkle, E.Rh.384; of the flute, “k. phthoggon kallistonId.El.716; of the sea, Ar.Th.44.
II. trans., sing of, celebrate loudly, tina Pi.O.1.9, 2.2,6.88, E.IT1093, Ar.Ra.1527; “temenosB. 13.21, cf. E. Tr.121; “tina amph' aretaPi.P.2.63.
Rational worship is logical, l. sullogismoi, Opposite rhētorikoi, Rh.1355a13.
Rhētor-ikos , ē, on, A. oratorical, rhētorikē (sc. tekhnē) rhetoric, Pl.Phdr.266d
2. of persons, skilled in speaking, fit to be an orator, Isoc.3.8, Pl.Phdr.260c, 272d, al.; phusei rh. ib.269d, etc.; skholastikos
Rational worship is the Opposite of
phu^sikos , ē, onA. natural, produced or caused by nature, inborn, native,
II. of or concerning the order of external nature, natural, physical, ph. epistēmē
2. ho ph.an inquirer into nature, natural philosopher,
4. Adv. “-kōsaccording to the laws of nature,
phu^sikos  is the Opposite of logikōs,
III. later, belonging to occult laws of nature, magical, ph. pharmaka spells or amulets,phusikois khrēsthai(oracle) ;
       Opposite ph. therapeia I. of persons, th. tōn theōn service paid to the gods
        aguiatides th. worship of Apollo Agyieus, E.Ion187
Eur. Ion 187 Chorus
Not only in our holy Athens [185] are there halls of the gods with beautiful columns, and worship of Apollo (Abaddon, Apollyon) who guards the streets; but also in the house of Loxias, Leto's son, there is a light of two countenances, with lovely eyes.
        Opposite 2. service done to gain favour, paying court, 3. maintenance or repairs of temples ,
Rational worship is the Opposite of:
pharma^kon 3. enchanted potion, philtre: hence, charm, spell, Od.4.220 sq., Ar.Pl.302, Theoc.2.15, PSI1.64.20 (i B. C.); “pharmakois ton andr' emēnenAr.Th.561; toiauta ekhō ph. such charms have I, Hdt.3.85, cf. Apoc.9.21.

Revelation 18:20 Rejoice over her, thou heaven, and ye holy apostles and prophets;
        for God hath avenged you on her.
Revelation 18:21 And a mighty angel took up a stone like a great millstone, and cast it into the sea, saying, Thus with violence shall that great city Babylon be thrown down, and shall be found no more at all.
Revelation 18:22 And the voice of harpers, and musicians, and of pipers, and trumpeters, shall be heard no more at all in thee; and no craftsman, of whatsoever craft he be, shall be found any more in thee; and the sound of a millstone shall be heard no more at all in thee;
Revelation 18:23 And the light of a candle shall shine no more at all in thee; and the voice of the bridegroom and of the bride shall be heard no more at all in thee: for thy merchants were the great men of the earth; for by thy sorceries were all nations deceived.
5331. farmakei÷a pharmakeia, far-mak-i´-ah; from 5332; medication (“pharmacy”), i.e. (by extension) magic (literally or figuratively): — sorcery, witchcraft.

5332. farmakeu pharmakeus, far-mak-yoos´; from fa¿rmakon pharmakon (a drug, i.e. spell-giving potion); a druggist (“pharmacist”) or poisoner, i.e. (by extension) a magician: — sorcerer.
Revelation 18:24 And in her was found the blood of prophets, and of saints, and of all that were slain upon the earth.
Rom 12:2 And be not conformed to this world: [This CROOKED generation]
..........but ye transformed (metamorph-oō ), by the renewing of your mind,
..........that ye may prove what is that good, and acceptable, and perfect WILL of God.

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