
1) Collegiate a cappella group
Found on
https://www.crosswordclues.com/clue/beelzebubs

The Beelzebubs, frequently referred to as `The Bubs`, is an all-male a cappella group from Tufts University that performs a mix of pop, rock, R&B, and other types of music while spreading their motto of `Fun through Song.` They have toured in Europe, Asia, South America, and North America, and they competed in NBC`s The Sing-Off in December 2...
Found on
http://en.wikipedia.org/wiki/Beelzebubs
No exact match found.