J. S. Bach, Jesu, Joy of Man's Desiring, duo. This movement works well as a part of the prelude or the procession.
J. B. Breval, Duo in G major. This light French duet is very suitable for the reception, dinner, or cocktail hour.
W. A. Mozart, Serenade in D major, trio. Another excellent piece for the reception.
A. Corelli, Sonata IX, Opus 5, Preludio, duo. Corelli Sonatas set the mood very nicely in the prelude.
A. Corelli, Sonata IX, Opus 5, Giga, duo. Another movement from the same Sonata.
G. F. Händel, La Rejouissance from the Music for the Royal Fireworks, trio. This is a favorite recessional piece.
Pachelbel, Canon in D Major. quartet. One of the most popular pieces for the entrance of the Bride.
J. S. Bach, Air from the Orchestral Suite in D major, trio. This is an excellent prelude selection, but can also work as the processional.