It is good to be perverse, especially in the Tate. And so, to begin a day of reflecting on ambience, where better to begin than Seth Kim Cohen’s 2016 essay, ‘Against Ambience’?
Free Jazz Collective - book section, has a list of books that should be of interest to improvisers, free or otherwise
Derek Bailey was at the top of his profession as a dance-band and record-session guitarist when, in the early 1960s, he began playing an uncompromisingly abstract music.