This is a cover of Bright Lights Bigger City performed by USC SoundCheck.
Modern Faces is a rock band from Dunfermline, Scotland.
I guess this is actually a half-cover, with Cee Lo Green taking over for John Oates.
I first heard this song in the movie Pitch Perfect. When I looked it up, I was surprised to learn the Cee Lo did the original.
This cover of Cee Lo Green’s Forget You is performed by 22 year old English singer Edei.