1) Dancing style 2) Form of tap dance 3) Gene Kelly specialty 4) Quiet tap dancing 5) Some dancing 6) Tap alternative 7) Tap dancing sans taps 8) Tap dancing without taps 9) Tap type 10) Tap-dancing without taps 11) Tapless dance 12) Tapless tap-dancing 
Softshoe is slang for to move surreptitiously, cautiously and quietly.