Answer: pipes

AnswerCrossword Clue
PIPESCalliope array
PIPESVocal cords, informally
PIPESVoice, slangily
PIPESBriar and corncob
PIPESSinging voice, informally
PIPESChurch organ features
PIPESOrgan features
PIPESThey'll hold water
PIPESVocal cords, slangily
PIPESGas mains
PIPESPlumber's concern
PIPESSinging voice, slangily
PIPESSpeaks, with "up"
PIPESWater conduits
PIPESPlumber's supplies
PIPESPlumbing tubes
PIPESSinging ability, slangily
PIPESSinging ability, so to speak
PIPESSays something suddenly, with "up"
PIPESBoatswains' whistles.
pipesto play on a pipe
PIPESHolmes smoked them
PIPESCorncobs
PIPESPlumbers fix them
PIPESSinging voice, so to speak
PIPESFipple flutes or whistles
PIPESSinger's power
PIPESSinging voice
PIPESPlumbing conduits
PIPESDroners on a brae, familiarly
PIPESPlumbing labyrinth
PIPESSinger's asset, familiarly
PIPESWater carriers
PIPESPlumber's concerns
PIPESVocal cords, so to speak
PIPESComponents of some organs
PIPESCrude carriers
PIPESVocal chords, slangily
PIPESVocal cords
PIPESThey're calling, in "Danny Boy"