[1] The album features Murray on drums along with alto saxophonists Byard Lancaster and Jack Graham, trumpeter Jacques Coursil, and bassist Alan Silva.

A remastered version, which includes an interview between Murray and ESP founder Bernard Stollman, was issued by ESP-Disk in 2007.

"[4] Murray recalled that he met Coursil at a restaurant after saxophonist Clarence Sharpe recommended that he speak with the dishwasher: "There's a cat works in the kitchen.

"[7] The authors of The Penguin Guide to Jazz awarded the album 3 stars, calling it Murray's "real coming-out as a leader" and "pretty uncompromising fare.

"[8] Writing for All About Jazz, Jerry D'Souza commented: "The music is intense, but it is also passionate... [it] ferments, roils, and fascinates.