(Photo: Whitney Browne) Brooklyn’s Roulette Intermedium presented Robert Ashley’s “Foreign Experiences” (1994) on Saturday, May 11th, 2024 to an audience full of familiar faces in appreciation of avant-garde and experimental music. This work is part of Ashley’s opera tetralogy, “Now Eleanor’s Idea,” which also includes “Improvement (Don Leaves Linda),” “eL/Aficionado” and the stand-alone opera, “Now Eleanor’s Idea.” I have been {…}