Singer-songwriter collects friends along the way

Dar Williams' latest album is a retrospective with a twist. On "Many Great Companions," the coffee-house veteran collaborates with some of her contemporaries to breathe new life into some of her old favorites.

Guests

• Dar Williams: Singer-songwriter whose latest album is "Many Great Companions," which features collaborations with Gary Louris, Mary Chapin Carpenter, Patty Larkin and others.
• Patty Larkin: Singer-song writer whose latest album is "25" a collaboration featuring songs from the past 25 years of her career.

Resources

• Dar Williams' web site
• Patty Larkin's web site