"Most jazz musicians practice by themselves; “woodshedding” is part of the life. But Rollins’s notion of practicing expanded into nearly all of his life, to the point where you wonder whether he’s practicing in preparation for the thing or if practice is the thing itself — whatever the thing may be: a gig, a recording, a new level of musical expression, a higher consciousness, the next life."

https://www.nytimes.com/2022/12/20/books/review/saxophone-colossus-aidan-levy.html