They sing nice harmony too, but that's not their special appeal.

Barry sang harmony on "Then the moment of depression fell around".

Another man's voice comes in and sings harmony with Groban near the middle of the piece.

He was a very nurturing guy, a big fan, he'd love a song, want to get into it and sing harmony.

Ms. Curtis's voice has a husky quality, as if it were singing harmony with itself.

It's easy to play, easy to sing, great harmonies and very emotional.

She sang harmonies with her sister for a while but returned to Alabama to earn a degree in public relations.

He sang harmonies with his family and learned how to play guitar, which his father also played.

It just sounds like a really tight garage band that also sings great harmonies.