The Harp - Praise of the Saints (17 Free MP3s Against the Use Of Musical Instruments In Public Worship; Defends the Apostolic and Classic Protestant Position From the Bible), by Dr. Steven Dilday

Great sample sermon from the series noted above: The Harp-Praise of the Saints, Part 3, By Dr. Steven Dilday

(Free MP3. A fantastic sermon on Biblical worship! This may be one of the best sermons you will ever hear about biblical worship. Don't miss it, if you truly desire to know the only kind of worship that pleases God -- all other forms of "worship," according to Scripture, being nothing but will-worship and idolatry, and what most Churches practice in our day.)

Instrumental Music in the Public Worship of the Church, By John L. Girardeau -- this book is free online  in text, and here  (as 5 MP3s) -- and both versions are also on the Puritan Hard Drive.

FREE SWRB MP3: Instrumental Music in Public Worship in the Old Testament (and the Second Commandment In Covenanter, Puritan and Reformed Worship) by Greg Price (Free MP3 and Video)

FREE SWRB MP3: Instrumental Music in Public Worship in the New Testament (and the Second Commandment In Covenanter, Puritan and Reformed Worship) by Greg Price (Free MP3 and Video)

Sin Of Reviving Forms Of Worship That Have Been Destroyed Vs the Regulative Principle, by Pastor Jim Dodson (Free MP3)

Uncommanded Worship Is Idolatry (Reformation, Regulative Principle, Christ's Kingship), by pastor Jim Dodson (Free MP3 and PDF)

Musical organs pertain to the Jewish ceremonies and agree no more to us than circumcision. - Peter Martyr Vermigli, quoted in Ames, A Fresh Suit Against Human Ceremonies in God’s Worship, p. 405 

Musical instruments were among the legal ceremonies which Christ at His coming abolished. - John Calvin, Lecture on Exodus 15:20

Musical instruments in celebrating the praises of God would be no more suitable than the burning of incense, the lighting up of lamps, and the restoration of the other shadows of the law. The papists, therefore, have foolishly borrowed this, as well as many other things, from the Jews. Men who are fond of outward pomp may delight in that noise; but the simplicity which God recommends to us by the apostle is far more pleasing to Him. - John Calvin, Commentary on Psalms 33 and on I Samuel 18: 1-9

Convinced by Calvin’s arguments, John Marbeck (1510-1585), former organist of St. George’s Chapel, Windsor, wrote in 1550, “But when they haunt their holy assemblies, I think that musical instruments are no more meet for the setting forth of God’s praises, than if a man shall call again sensing and lames, and such other shadows of the law. Foolishly therefore have the Papists borrowed this and many other things of the Jews. Men that are given to outward pomps delight in such noise, but God liketh better the simplicity which he commendeth to us by his Apostle…” - A Book of Notes and Common Places (1550), pp. 754-755, cited in The History of Instrumental Music in the Church 

Instrumental music in the religious worship of the Jews, belonged to the ceremonial law, which is now abolished. - Wilhelm Zepperus (1550-1607), De Lege Mosaica, lib. iv

The church, although lapsing more and more into deflection from the truth and into a corrupting of apostolic practice, had not instrumental music for 1200 years (that is, it was not in general use before this time); The Calvinistic Reform Church ejected it from its service as an element of popery, even the church of England having come very nigh its extrusion from her worship. It is heresy in the sphere of worship. - John Giradeau, Presbyterian professor in Columbia Theological Seminary, Instrumental Music, p. 179, cited in The History of Instrumental Music in the Church 

Since they also are not in accord with the apostle’s teaching in 1 Corinthians 14, the organs in the great cathedral of Zurich were demolished on the 9th of December in this year of 1527. - Heinrich Bullinger, Reformationsgechichte, vol. 1, p. 418

Exhorting the people only to rejoice in praising God, he maketh mention of those instruments which by God’s commandment were appointed in the old Law, but under Christ the use thereof is abolished. - Geneva Bible (1599) note on Ps. 150:3

[Musical instruments were] rejected and condemned by the whole army of Protestant divines. - Charles Spurgeon, Works vol. 2, pt. 1, p. 223

Question 6. Is there any authority for instrumental music in the worship of God under the present dispensation? Answer. Not the least, only the singing of psalms ... was appointed by the apostles; not a syllable is said in the New Testament in favor of instrumental music nor was it ever introduced into the Church until after the eighth century, after the Catholics had corrupted the simplicity of the gospel by their carnal inventions. It was not allowed in the Synagogues, the parish churches of the Jews, but was confined to the Temple service and was abolished with the rites of that dispensation. - Questions on the Confession of Faith and Form of Government of The Presbyterian Church in the United States of America (PCUSA), published by the Presbyterian Board of Publications, Philadelphia, PA (1842), p. 55

The early Reformers, when they came out of Rome, removed them as the monuments of idolatry. Luther called the organ an ensign of Baal; Calvin said that instrumental music was not fitter to be adopted into the Christian Church than the incense and the candlestick; Knox called the organ a kist [chest] of whistles. The Church of England revived them, against a very strong protest, and the English dissenters would not touch them. - Mcclintock & Strong’s Encyclopedia, Vol. 6, Harper and Brothers, New York, 1894, page 762

The organ is said to have been first introduced into church music by Pop Vitalian in 666. In 757, a great organ was sent as a present to Pepin by the Byzantine Emperor, Constantine, and placed in the church St. Corneille as Compiegne. - Chambers Encyclopedia, Vol. 7, p. 112

There was nothing in the past about which God was so jealous as the mode of His worship. There was nothing around which He threw guards and fences so awful as around His worship… He reserved to Himself the high prerogative of appointing the ways in which men should approach Him in His public worship, and instantly resented every invasion of that prerogative. - John L. Girardeau 

"Whatsoever is not commanded is forbidden." This, the Scriptural law of worship, is the acropolis of the Church’s liberties, the palladium of her purity, and her God-given moorage. Let the Protestant Church, in creed or conduct, in profession or practice, depart from this divine principle, and she has weighed her sheet-anchor only to find its flukes sundered and herself adrift on the high seas, a craft without compass or chart or polestar, in the midnight darkness of rationalism and ritualism, with her prow pointing to ‘Rome’ as her probable landing-place. - William S. McClure, from The Scriptural Law of Worship, Ch 4 of The Psalms in Worship, ed. by John McNaugher, 1907

God's Will Vs. Man's Will In Worship, Romanism and Arminianism In Worship Are Heresy (The Plausibility Of Will Worship To Worldly Wisdom, Colossians 2:23, the Regulative Principle Of Worship [RPW], Etc.) By Jim Dodson, John Calvin, Greg Price, et al.
https://www.puritandownloads.com/gods-will-vs-mans-will-in-worship-romanism-and-arminianism-in-worship-are-heresy-the-plausibility-of-will-worship-to-worldly-wisdom-colossians-2-23-the-regulative-principle-of-worship-rpw-etc-by-jim-dodson-john-calvin-greg-price-westminster-divines-dr-ste/

Greg Price, Foundation For Reformation: The Regulative Principle Of Worship (Free Online Book)
https://www.puritandownloads.com/against-antichrists-innovations-in-worship-free-reformation-mp3s-videos-books/

"All worshipping, honoring, or service invented by the brain of man in the religion of God, without His own express commandment, is idolatry." - John Knox cited in Greg Price, FOUNDATION FOR REFORMATION: THE REGULATIVE PRINCIPLE OF WORSHIP