Festival dedicated to Frank Zappa (1940-1993) Mosae Zappa is the most leading Frank Zappa event in the Euregional Meuse – Rhine area. Located in the very south of Holland, Mosae Zappa celebrates the music and life of Frank Zappa. Highlight of their annual series of events is the Mosae Zappa Festival wich consists of three days of various bands and other (live) acts on various locations.