Answer:

backdrop

AnswerCrossword Clue
BACKDROPScrim, perhaps
BACKDROPTheatrical painting.
BACKDROPPiece of stage scenery.
BACKDROPPiece of scenery
BACKDROPScenery hung at the rear
BACKDROPStage curtain
BACKDROPStage curtain, e.g.