Top Hits of 2014

16 of the biggest hits of the year in piano/vocal/guitar arrangements, including: All of Me (John Legend) á Best Day of My Life (American Authors) á Dark Horse (Katy Perry) á Fancy (Iggy Azalea) á Happy (Pharrell Williams) á Let It Go (Idina Menzel) á Pompeii (Bastille) á Problem (Ariana Grande) á Raging Fire (Phillip Phillips) á Timber (Pitbull featuring Ke$ha) á and more.