On a recent Thursday, in a suite of dressing rooms at “The Late Show with Stephen Colbert,” Bill Murray, the cellist Jan Vogler, the violinist Mira Wang, and the pianist Vanessa Perez were get ting ready to perform songs from an album they’ve just released, called “New Worlds.” On the album and at concerts, Murray reads selections from Hemingway, Thurber, Whitman, Twain, and others; the musicians— all renowned international soloists— play everything from Foster to Gersh win to Shostakovich. Last Monday, at Carnegie Hall, Murray sang, danced, read, announced the score of the Yankees game, and chucked roses into the balconies from the stage. At “Late Night,” things were shaggier: the band had been on the road. As the musicians napped, Murray darted around the dressing rooms, trying on outfits.…
