Below is a list of suggested repertoire for various portions of the wedding.  

Prelude/Postlude: 

Pavane - Faure

Sheep May Safely Graze - J.S. Bach

Claire De Lune - Debussy

Wedding Party:

Jesu Joy of Man's Desiring - J.S. Bach

Ode to Joy - Beethoven

Trumpet Tune - Henry Purcell

Arioso - J.S. Bach

Canon in D - Pachelbel

Largo from Xerxes - Handel

Bride:

Canon in D - Pachelbel 

Bridal Chorus - Wagner

Ave Maria - Schubert

Ceremony/Meditation/Candles:

Be Thou My Vision - Traditional Hymn

London Dairy Air - Traditional Irish Melody

Ave Maria - Schubert

Ave Maria - J.S. Bach/Gounod

Meditation from Thais - J. Massenet

Recessional:

La Primavera(Spring) - Vivaldi

Wedding March - Mendelssohn

La Rejouissance - Handel