The library at UNC got this book in recently, and I'm reading a chapter a day. It reads a bit like a dissertation (it may be just that) and has a wealth of incredible information about Alice Coltrane's life, music, impact. I'm about halfway through the book and found this incredible quote from her that I felt I needed to save here, because it is a perfect description of playing free music:
"Avant-Garde music to be is like journeying across the country until you come to as beautiful park. You say, "We'll stop here for just a moment." After a while you decide to go onward because you know of a nice area ahead, but before you leave, you see a lake that you didn't notice before, and you decide to stay and experience that for a while. Sometimes your moment is there like an eternity. This type of thing is quite prevalent in my music."