Star Spangled Banner

 The US National Anthem. Every American group needs a version for sporting events, etc.

Stop Thinkin

 An original sung by the House Jacks in our first year. Fast, fun. Can be heard on the hard-to-find cassette "Sing Naked." (recorded in December 1991)

The Thirteen Days of Christmas

 A rearrangement of the arrangement that has been entitled various things, including "Christmas Soup," "The Thirteen Days of Christmas," etc. Sung in a different arrangement by Straight No Chaser, which became a hugely popular viral video (the most watched worldwide in December 2007). Adapted from the Richard Gregory arrangement