A recent article from the Arizona Republic mentioned that the Musical Instrument Museum in Phoenix just welcomed its 200,000 visitor last year.
http://www.azcentral.com/arizonarepublic/local/articles/2012/01/13/20120113phoenix-museums-hispanic-vistors.html
They are trying to target more Hispanic visitors.  Currently they have various exhibits highlighting musical genres found in Spanish speaking countries.
The Phoenix Art Museum and Heard Museum are both launching programs to attract Hispanic [...]