Possible Clues:

• Call them both when all you have is one like 1 across
• They beat as one, in a U2 song
• May have them in your hand but not in your chest
• They may beat as one
• Bid for them, but you won't have them
• You'd get the double beat from this bid
• It's on the cards one might go for a couple of 4 down
• The B fifty-two's nineteen ninety hit
• Blind, No More or just a George Michael album
• One might make a bid for what one could never have