Musetta is, incidentally, the role in which Racette made her Met debut in 1995.
Tomorrow's cast also includes Angela Marambio as Mimì, Rolando Villaz‹n as Rodolfo and Peter Coleman-Wright as Marcello. Plšcido Domingo conducts.
For next week's Bohèmes on Tuesday evening and Saturday afternoon (November 21 and 25), soprano Cynthia Lawrence will fill in for Glanville.