Boston's music scene is rich with performances and performers of well-loved standards, as well as lesser-known marvels. An offering by Cantata Singers ranges from Mozart to Zelenka, or Beethoven to Schoenberg. Delight in the contrasts, revel in the similarities. Dinner at Symphony Sushi followed by an overnight at the Hotel Commonwealth. Tickets and dinner offered by Epp Sonin, hotel stay donated by Hotel Commonwealth.