Possible Clues:

• A set of rising steps
• Link between stories?
• Disturbs one in flight
• They reach the height of holy melodies
• Flight goggles, you say
• Get on high with the help of holy melodies, perhaps
• Gets moving, having to catch a flight
• They're always in flight, these saintly melodies
• They may be taken in an emergency
• Fire escape, e.g.