I was unaware of the Entourage Music and Theater Ensemble, which started in Baltimore and operated from 1970 to 1983 – surprisingly unaware, because though those were my college years, I was seeking out Terry Riley, John Cale, Brian Eno, and any shards of information I could find on La Monte Young and Charlemagne Palestine. I was spending hours a week in record stores, and their ambient style was right up my alley. But Wall Matthews, the group’s “last surviving member,” is launching a new web site for this group that was somewhat parallel, in the dance world, to Young’s Theatre of Eternal Music, and so there’s a chance to discover them long after the fact. I’m curious whether they were on the radar of my fellow minimalism aficionados.