But then there’s music through the silence. First some drums spilling from a room, then a bass, then a guitar — a band is rehearsing. It’s a three-piece called Victoria, led by Antony Langdon, former guitarist for the Brit-pop band Spacehog. Langdon and his two mates are playing songs written for them by actor Joaquin Phoenix. They’re debuting them tonight at Building 98, but first, they have to learn them. Now the scene has a soundtrack.