1st ex - Walked in to "I Wanna Know What Love Is" by Foreigner. Walked out to "Sea of Love" by The Honeydrippers
2nd ex - Walked in to a phenomenal pianist playing the traditional wedding march. Song sung by soloist during ceremony "Everything I Do" by Bryan Adams
DH (3rd times a charm :)) No music at all. Just stood under the big mulberry tree in Mom's backyard with the minister & only immediate family gathered around us.