- Chronology: Year 1903
- Date: Sunday 25-10-1903
- Time: 8 pm
- Location: Royal Concertgebouw
- Nature: None
- Program: Mahler, Weber, Mozart, Wagner
- Composition Mahler:
- Symphony No. 1 – In 4 movements
- Soloist: None
- Conductors: Gustav Mahler (1860-1911) and Willem Mengelberg (1871-1951)
- Orchestra: Royal Concertgebouw Orchestra (RCO/KCO)
- Chorus: None
- Concert number: c158
- Notes: According to the reviews, the order of the program printed on the handbill was reversed, i.e. Mahler’s symphony opened the concert. Conducted by Gustav Mahler
- Gustav Mahler (1860-1911), Symfonie no. 1 in D gr.t. – Titan. Gustav Mahler, conductor
- Carl Maria von Weber (1786-1826), Ouverture ‘Oberon’. Willem Mengelberg, conductor
- Wolfgang Amadeus Mozart (1756-1791), Serenade in G gr.t., KV 525 – Eine kleine Nachtmusik. Willem Mengelberg, conductor
- Richard Wagner, (1813-1883), Ouverture ‘Tannhäuser’. Willem Mengelberg, conductor
1903 Concert Amsterdam 25-10-1903 – Symphony No. 1. Advertisement in De Telegraaf.