I came across a list of popular ceremony songs, even added a few of my own. Look beyond Canon in D....
Read through it and if you have any more suggestions or want to rave about your favorites, please leave a comment!
Bridal party or mothers processional:
Air on a G String, Bach
Jesu, Joy of Man's Desiring, Bach
Trumpet Voluntary, Clarke
Bridal Chorus, Wagner
Trumpet Tune, Purcell
Lighting Unity Candle:
Ave Maria, Schubert
When I Fall in Love, Nat King Cole
Somewhere Over the Rainbow
Wedding March, Mendelssohn
Ode to Joy, Beethoven
Also please remember the proper way to write out the song and composer in a program is song then composer, separated by a comma.