Related Clues:

• Husband-and-wife team, e.g
• Small pop group
• Three with close harmony, e.g
• Song sung by two
• Three in key
• Singing group of three
• Chamber-music piece
• Alabama, but not Kansas?
• Many a comedy team
• The Stooges were one
• The White Stripes or OutKast
• Husband and wife, e.g
• The Supremes, e.g
• Its name may be written with an ampersand
• Yo La Tengo, for one