Answer:

duo

Answer	Crossword Clue
DUO	Compact combo
DUO	Two of the same kind
DUO	Twosome

DUO	The Smothers Brothers, e.g.
DUO	Pair
DUO	Two
DUO	Couple
DUO	Half a quartet
DUO	Partnership, often
DUO	Pair with an air
DUO	Performing pair

DUO	Dance team, usually
DUO	Pop's Disclosure, e.g.
DUO	Piece for two
DUO	Small musical group
DUO	Abbott and Costello, e.g.
DUO	Tango complement
DUO	Ark unit
DUO	Barely a team

DUO	Batman and Robin, e.g.
DUO	Item, perhaps
DUO	Tabloid item
DUO	Turtledoves of song
DUO	Simon and Garfunkel, e.g.
DUO	The Everly Brothers, e.g.
DUO	Comic skaters Frick and Frack, e.g.
DUO	Beach volleyball team, e.g.

DUO	Comedy team, usually
DUO	Many a '50s-'60s pop act
DUO	One may be an item
DUO	Sonny and Cher, e.g.
DUO	Burns and Allen, for one
DUO	Laurel and Hardy, e.g.
DUO	Tears for Fears, e.g.
DUO	The Eurythmics, e.g.

DUO	Dynamic ... (Batman and Robin)
DUO	Milli Vanilli, e.g.
DUO	Small band
DUO	Batman and Robin are a "dynamic" one
DUO	Lewis and Clark, for one