Old Mcdonald had a farm.
The song is called Glaucoma by Christophe Beck :)
"Church" by Outkast
Waters of Nazereth by justice Or? Monopole by Wire Fences
the song was "let your love flow" by the bellamy brothers
Love and Happiness by Al Green
According to the credits, it's MIranda Cosgrove performing Christmas Wrapping.