There are at least 3 bands named Clam.

1. Clam is a punk band from Rochester, New York that incorporates noise and experimental elements.

http://clamnoise.bandcamp.com/

2. Clam are a band from London, England. They write a blend of blistering metal and punk rock. After line-up change they are beginning to get back into gigs and hopefully move onto bigger heights. Check them out and have a chat at www.myspace.com/clamrock. Get involved!

3. Clam is a band from Lincolnwood, IL that makes music. It’s regarded as pretty cool among fans of the band. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.