The museum pays much attention to his compositions, including the song Des Knaben Wunderhorn, his second and third symphony.

[2] The museum houses several exhibits, like a player piano made by Welte-Mignon, which reproduces the composition accurately in the way Mahler intended it to sound.

[2] Leaning against the column a black bicycle from 1895 can be seen with handgrips of cork and an oil lamp.

Mahler learned traveling by bike in Hamburg[2] and became a passionate cyclist.

The limited existence of original pieces was attended to when the museum was fitted out.