zumba (Summum crazy) is a slang of the District of Columbia. Means Samba dance rhythms. The combination of the words "crazy crowd" means a party to a zumba dance party fun there.
Zumba is an aerobic dance which combines Latin, hip-hop and belly dancing moves with energetic music to provide a fun, great workout. Zumba aims to make exercise exciting and fun.
Beginning Zumba Tips
There will be both slow and fast moves. It helps burns fat (about 400-500) and you can still have fun.
Normal time zumba workout begins with a warm up for about 10 minutes and about 40 minutes of music, dancing and cool down for 5-10 minutes and I think that is often used in dance. Will have a mix of salsa.