Related Clues:

• Batman and Robin, e.g.
• Cabal
• 38-Down, for example
• Rock music's Police, e.g.
• The Supremes, e.g.
• Jazz combo, often
• Music for two
• Class division
• Part of a whole
• Stick together
• Twosome
• Knot
• Come together
• Chamber group, maybe
• Brace