When the group comes to preform in the conference room, Andy hopes they invite him up to do his "signature song," Faith, only to be upstaged by Broccoli Rob (Stephen Colbert).

When the group comes to preform in the conference room, Andy hopes they invite him up to do his "signature song," Faith, only to be upstaged by Broccoli Rob (Stephen Colbert).

It's Halloween in the office and Andy invites his college a cappella group to perform, which leads to a confrontation with his frenemy Broccoli Rob.