We purchased a combo ticket with Mozarthaus and Haus der Musik for a good value. That being said, this was not the most enjoyable experience for a 9 year old boy (and Mom). The museum is dark and technical for the majority of the rooms until you reach the floor with rooms dedicated to the Composers. We had no idea where to find the audio guides, there was nobody staffing the entrance desk, so we wandered through without the guides and found the rooms nicely decorated, but boring in the exhibit layout and "story" displayed. The highlight was the opportunity to be a conductor with an interactive orchestra. Also, as a germphobe, the sharing of headsets, microphones (where some children were spitting into to make certain noises) and dirty touch screens grossed me out. Tip for visiting museums with audio guides-bring your own earphones to plug into the handset.
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