This newly remastered reissue of multi-instrumentalist Anthony Braxton’s (Willisau) 1991 Studio was recorded with his quartet at the Hotel Mohren in Willisau, Switzerland in June 1991. These works feature what many consider Braxton's finest ensemble at their creative apex, consisting of pianist Marilyn Crispell, bassist Mark Dresser, and percussionist Gerry Hemingway.