Pianist and composer Paul Bley has been making records now for more than 50 years. His solo recordings encompass a great deal of his generous catalog. Bley has studied so many different aspects of jazz, and improvisational music both American and European, that these recordings always offer a revealing, no-holds-barred glimpse of where he's at as a musician at any given time. About Time, released on the Montreal label Justin Time, contains just two pieces: the 33-plus-minute title track and the Sonny Rollins tune "Pent-Up House," which lasts another ten. They reveal the entire range of Bley's considerable gifts as a pianist and improviser.