Answer: mashup

AnswerCrossword Clue
MASHUP

Musical mix of two songs into one

MASHUP

"Glee" specialty

MASHUP

Take a mortar and pestle to

MASHUP
Digital olio
MASHUP
Mixed media?
MASHUPAny piece by Girl Talk, e.g.
MASHUPPulverize
MASHUPMix of two songs into one