Related Clues:

• Group first to object about tweet oddly
• Month alien joined musical group?
• Band of eight?
• Eight-member band
• Eight-instrument ensemble
• Musical group or work
• Santa's reindeer, not counting Rudolph
• 4-Down plus five
• Eight-musician group
• Small group of commandos taking enemy territory at the front
• Eight things, collectively
• The planets, without Pluto
• The planets, since Pluto's downgrade
• The planets, collectively
• A couple of quarters?