Maybe a friend told you about them, or maybe you heard a piece of their music on the radio. Somehow, you stumble on this band (or this artist), and after listening to the tune that attracted you, you listen to the rest and the realization hits you : THis is Great Music! You tell others about it, and NO ONE has heard of it. The band gets no recognition, no airplay. While the mediocrities of the world garner wealth and accolades, these people just go on struggling in annonymity. Whether the record label doesn't promote them, or their demographic is too small, they eventually drop out of sight, leaving behind a few hidden diamonds.

My best example of this is the group October Project. Their first album was an incredible collection of beautiful melodies, transcendent lyrics, soaring harmonies, and the breathtaking vocals of Mary Fahl, who has, in my belief, the most evocative female voice I've ever heard. Recorded on Epic, the band received little label support, and the second album Falling Further In was completely ignored. Both are still among my favorite albums of all time.

Any others?