http://affirmation2010.wordpress.com/articles/Scan down to 'REVERENCE IN WORSHIP'
Then click on link: 'Contemporary Worship Music'..John Thackway.
Note the last paragraph and the quote from John Knox.
Also go to: Bible League Trust
http://www.bibleleaguetrust.org/church.html
See all the categories at the bottom of page as there are so many excellent articles under those headings, particularly also on that very page "the world in the church"
God's religion is a heart religion and it is interesting that one particular Calvinist rapper was convicted at conversion to give up his "Rap" but was then persuaded to simply Christianise it instead.
I was heavily into punk (70's) and Indie music(80's) and never expected that to invade the church when I was converted in 1990.
Yet we now have Indie Calvinistic bands with guitar right out of the worldly indie music genre of my worldly days?
Pop music in the 70's and 80's invaded the charismatic churches but few conservative churches followed. Now we have charismatic calvinists...I think I see a link
John Knox..is he a fossil or is he correct?
Study: research the history of rock and roll and what the term means. Most Indie stuff comes from an original source.