Mozart and Vivaldi make for happiness - these are especially delightful

http://www.youtube.com/watch?v=VnplU5hgVw0&feature=related vocal Rondo Alla Turca

http://www.youtube.com/watch?v=VOxXwxe6TCc&feature=related Carmel A Cappella Eine Kleine Nachtmusik

http://www.youtube.com/watch?v=Uxs5O6hMBvg&feature=related Carmel A Cappella
sings Vivaldi (Spring)

http://www.youtube.com/watch?v=-eZw0bXmlWw&feature=related Swingle Singers Rondo Alla Turca

http://www.youtube.com/watch?v=Pk0ROE0V4HI&feature=related Swingle Singers Eine Kleine Nachtmusik

http://www.youtube.com/watch?v=10LU2tBPD5A&feature=related Swingle Singers Zauberflote

http://www.youtube.com/watch?v=qJV5zT8DugA&feature=related Swingle Singers Vivaldi fugue