Oh, that's good. Throw some Hideous Laughter on the guy leaning against the wall trying to act cool and we have a partyBard/wizard with 6th level spells.
Round 1:
-Action (spell) Mass Suggestion "It's no fun to dance alone, so start dancing when you see an ally dance"
-move: closer and hide (bonus action)
Round 2:
-Action (spell): Irresistible Dance on the enemy the others can all see.
-Bonus action (cantrip): Choice of Mage Hand and give the "BBG" the finger or Prestidigitation and add some music or light effects to go with the dancers.
-move: try not to fall over laughing.