1. "Mardi Gras in New Orleans" by Byrd, performed by Fats Domino.
2. "Good Friday Spell" from Parsifal by Richard Wagner, performed by Gerard Schwarz; Seattle Symphony Orchestra.
3. "Come Sunday" by Duke Ellington on The Best Of Duke Ellington: Centennial Edition.
4. "Sunday Traffic" from Music for Movies by Aaron Copland, performed by Dennis Russell Davies and the Orchestra of St. Luke's.
5. "Sunday" from first act of Sunday in the Park with George by Stephen Sondheim, performed by Original Broadway Cast.
6. "Sunday" from second act of Sunday in the Park with George.
7. "Sunday in the Park with George"(see a trend here?)
Wow, that's a pretty pathetic list. Feel free to offer your own tunes that fit this category.