They were late to the gig, changing into their 'cool' outfits from their cold weather gear as quick as possible, then grabbing instruments and running on stage in front of the waiting crowd.
Now, with seconds left before the music starts, she realizes:
"I forgot to take off my dorky Valentines tailwarmer! D'oh! Oh well, I'm just the bass player, it's not like anyone thinks I'm cool to begin with..."