 He wrote the instruction book, "Twelve Themes With Improvisations", published in 1963 by Belwin-Mills, and currently out of print.While a student at Princeton University, Miles concentrated his efforts on his piano playing, recording a live album in 1966 entitled "Barry Miles Presents His Syncretic Compositions".He applied the philosophical term "syncretic" to music, defining the process of melding any combination of musical influences and styles together in the improvisational jazz idiom with originality.