Because

Jingle Bells (Accompaniment Version)

Uptown Funk

Team Fortress 2: Mannrobics

Iris

"Non più andrai", Le Nozze di Figaro, KV. 492∶ Act I, Scene VIII

Maple Leaf Rag

Bagatelle No. 3, Op. 119

Eight-Bar Exercise No. 4

Canadian National Anthem ??