(Artist Transcriptions). In the late 1950s, John Coltrane composed or arranged a series of tunes that used chord progressions based on a series of key center movements by thirds, rather than the usual fourths and fifths of standard progressions. This sound is so aurally identifiable and has received so much attention from jazz musicians that it has become known as "Coltrane's Changes." This book presents an exploration of his changes by studying 13...