Finally, if done properly and with thought and preparation, the music at the chupah can be the deepest and can change the whole nature of the wedding. Caveats: A. If you are having a friend or relative sing under the chupah, make sure he can hold a tune and that the band is playing the same key as he is singing, and B. Don't write your own music. Sorry to break it to you but you're not as good as Reb Shlomo.