Possible Clues:

• Hangs (anag.)
• Name of the saber-toothed mascot of the NHL's Predators
• It was the turn of H who gave us a song through the teeth
• Good architect becomes champ
• Scrape together for the said architect
• Strike teeth together
• Grind one's teeth together
• Hangs something to do with the teeth
• Seems that H was singing back there with his teeth
• Grind, like teeth