INT. Recording Booth - Day
Jesse: My name is Jesse Wells and-- ♫ I wanna runaway... I wanna runaway... Anywhere out this place, hey! I wanna runaway...! ♫
Barry: ♫ Just U and I-- ♫
Jesse: *gives Barry a flat look*
Barry: Sorry, I was in Glee-- Couldn't help it.

*in video: "Runaway (U & I)" - Galantis, the song they were just singing ^^^