Possible Clues:

• Fliers
• High fliers remain up in the sky
• Are they flying for music in a masculine way?
• Pilots broadcast to the troops
• One are, perhaps, flying into 14 across
• Showpieces featured members of the armed forces?
• Daedalus and Icarus for example remain at sea
• They're fly enough to be windy fellows
• Song-writers serving in HM forces?
• Some enlisted personnel