Recidivism.

The independent pop band Rogue Wave does some nifty covers*. You've probably already heard their Buddy Holly rave-up from the Stubbs The Zombie soundtrack, and I recently stumbled upon (via YANP) their version of "On A Plain", a song originally done by the early 1990s grunge rock act, Nirvana (Eat your heart out!!!).

So:

Rogue Wave - "Everyday"
Rogue Wave - "On A Plain"

*According to some kids on the Internet, their latest cover is "Catapult" by the jangly, college rockers known as R.E.M.