Incus Book 1
Improvisation:
It's Nature and Practice in Music

by Derek Bailey.
60 pages wrappers

Based on accounts by practising musicians from Indian music, flamenco, baroque music, church organ playing, jazz, rock, contemporary Western composition and free improvisation, this book was first published in 1980, subsequently appeared in several languages and formed the basis of a TV series on improvisation in music. It has now been fully revised for this edition.
“A Wonderfully thoughtful book” - Village Voice