Quote from Marshall in Glitter
Lily: How did you find Glitter? Marshall: Simple, really. I used my powers of deduction. You see, I knew Glitter used to be a keytarist, which is basically a piano, so I just made a list of all the keyboard-based occupations and then I cross-matched them... Jessica Glitter: His friend Barney looked me up, hoping to buy my Space Teens costume. Marshall: Yo, Glitter... Be cool.