- Chronology: Year 1879
- Location: Cottage-Casino of the Cottage-Verein in Wahring
- Nature: First concert
- Program: Beethoven, Mozart, Godefroid, Verdi, Schumann, Anonymous, Chopin, Bach, Leschetizky, Schumann, Sucher
- Composition Mahler: No
- Soloist: Gustav Mahler (1860-1911) (piano), Ida Gassebner, Georg Schutte-Harmsen (1853-1903)
- Conductor: No
- Orchestra: No
- Chorus: No
- Concert number: c12a
- Notes: The Cottage Association in the northern district of Vienna was founded in 1873. Mahler rented a room in a villa, Karl-Ludwig strasse 24, in the autumn of 1879
