Learn to play,"Deck the Halls" a traditional Yuletide and New Years' carol on the violin. The "fa-la-la" refrains were probably originally played on the harp.
The tune is Welsh dating back to the sixteenth century, and belongs to a winter carol, Nos Galan. In the eighteenth century Mozart used the tune to "Deck the Halls" for a violin and piano duet. The repeated "fa la la" is from medieval ballads and used in Nos Galan, the remaining lyrics are American.
This free PDF can be downloaded, print, and played and includes suggested fingerings and bowings. More free sheet music can be found on Fiddlerman.com