From ancient Greece to the moon by way of Monteverdi, Mahler and Puccini: Wednesday evening’s concert by the Dolce Suono Ensemble at Roulette in Brooklyn drew a wide arc. Dolce Suono, which appeared there as part of the inventive Ear Heart Music series, is a Philadelphia-based chamber ensemble founded by the flutist Mimi Stillman that eloquently advocates for new music while placing it in a historical context.