- Chronology: Year 1909
- Location: Metropolitan Opera (MET)
- Nature: Farewell performance for Marcella Sembrich (1858-1935)
- Program: Donizetti, Rossini, Verdi, Mozart
- Composition Mahler: No
- Soloist: No
- Conductor: Gustav Mahler (1860-1911)
- Orchestra: New York Metropolitan Opera (MET) Orchestra
- Chorus: No
- Concert number: c215
- Notes: Mahler conducted Mozart