Possible Clues:

• Bierkeller sort of band
• Chance with low return and brassy sound
• Exciting quality encapsulating a trombone's sound
• Energy runs round a sort of band
• Marching band sound
• Oktoberfest blast
• Phoenix and Washington, e.g
• Enthusiasm about ace tuba player's sound?
• Sound from a marching band
• Repeating polka sound