Who's who? Carl Shepard - vocals, guitars, bass, programming Alison Shepard - vocals, percussion, keyboard This brother and sister team have been singing together since grade school. "For us, performing together is a really natural thing," says Carl. "It's a kind of dynamic conversation, between each other and our audience. Though I'm also a visual artist, I realize that words and music are sometimes a more powerful form of communication," Alison explains.