In the Lyons subway station, the wait is enlivened not only by music playing supermarket-style over the platforms but also by a mini-slide show—projected onto billboards between the tracks—of ads for the likes of McDonald’s and local drop-in centers. This no-frills approach to media technology might well go unnoticed were it not for the unwitting commentary it offers on the far more ambitious display of multimedia prowess recently presented above ground at the Museum of Contemporary Art in conjunction with the “Musiques en scène” (Musics on stage) festival of contemporary music. Now in its