The Marienplatz and Viktualienmarkt will be hosting a "Culture Festival" tomorrow, May 1st, featuring bands, cabaret, and folklore groups. Entrance is free. You can look at a pdf programme in German here, but to summarise what's going on:
Marienplatz Stage
12:00: Übersee Combo (cover band)
13:30: Bananafishbones (well-known German group)
Viktualienmarkt Stage
12:00: Black Bottom Skiffle Group (Bavarian & American Country and Bluegrass music)
13:15: Las Adelitas (mexican folklore dances)
13:40: Regös (Hungarian and Transylvanian dances)
14:05: One World Project (Reggae and Gospel Choir)
14:35: Trachtenverein d'Kranzlbergler (Bavarian dances)
15:00: Polonia (Polish dances)
16:00: The Bridge Ensemble (Klezmer music)
Viktualienmarkt
12:00-17:00: Various handicraft offerings for children
12:00-17:00: Zick Zack Traumtheater (walking acts on stilts)
12:30/14:00/15:30: Theater in a Bus (Punch and Judy for children)
13:00/14:30/16:00: Hitler in Heaven (a tasteless puppet satire for adults)