Baltimore composer Drew Swinburne is a pretty reserved human being (look at that stare!) who makes pretty outgoing music — danceable 8-bit teen anthems (albeit with some college-level economics thrown in), extended party-type remixes and mashups, that kind of thing. And his 20-minute quadrophonic vocal chant “Canticle of Spring” epitomizes this everybody-get-together-and-feel-something musical impulse. “Canticle” debuted at the Bell Foundry in Station North as a communal celebration of the spring equinox in 2011. The vocal parts were performed in Zasaa, a language invented by musician and “spiritual transhumanist” Connor Kizer, and it was a one-night-only affair: no recordings were made. If you missed it, you had to wait another year.