- Chronology: Year 1881.
- Location: Charles IV restaurant.
- Nature: Benefit concert for the Czech National Theatre in Prague.
- Program: Unknown.
- Composition Mahler: No.
- Soloist: Gustav Mahler (1860-1911) (piano).
- Conductor: No.
- Orchestra: No.
- Chorus: No.
- Concert number: c12b
- Notes: A month before Mahler left for Ljubljana, he visited his cousin Gustav Frank (1859-1923) in Vlasim. During this visit he participated in an impromptu benefit concert, the details are unknown, but we may assume tha Mahler played piano pieces. The National Theatre was inaugurated on 11-06-1881 but burned down on 12-08-1881. It was re-opened on 18-11-1883 after a national subscription provided funding.
