returned for the second week of season 7 competition on Wednesday, and after four fun performances, fans had to bid farewell to another costumed contestant.This week, the same singers from last week's season premiere — including Firefly, Cyclops, Thingamabob and The Ram — all hit the stage for a second time. After some impressive performances, the audience voted and the two lowest vote-earners had to face off in a vocal duel.One of the night's biggest surprises came when the lowest vote-earners were The Ram — whom most people likely expected — and Firefly.