We originally chose "Don't Stop Believin'," but have changed our minds for reasons I won't go into. We both have eclectic tastes in music and are open to suggestions.
If it helps, here's the rest of our ceremony music:
Prelude:
"When Love Comes to Town" - U2 and B.B. King
"For Once in My Life" - Stevie Wonder
"One Love/People Get Ready" - Bob Marley and the Wailers
"Feeling Good" - Nina Simone
"All You Need Is Love" - The Beatles
Processional:
"Variations on a Shaker Tune, from Appalachian Spring" - Aaron Copland
"The Marriage of Figaro," Overture - Mozart
9th Symphony, "Ode to Joy" - Beethoven
Candlelighting:
"True Companion" - Marc Cohn
Postlude:
"On Top of the World" - Imagine Dragons
"Adventure of a Lifetime" - Coldplay