Sources used:
Take That - Never Forget (Instrumental and Original)
Oasis - Wonderwall (Acapella)
Snow Patrol - Chasing Cars (Acapella)
Suzanne Vega - Tom's Diner (Acapella)
Sia - Alive (Acapella)
Ben E. King - Stand By Me (Acapella)
Spice Girls - Who Do You Think You Are (Acapella)