You can download a PDF of the score and parts here. Here's a performance by an orchestra of young people in downstate Illinois.
This arrangement works perfectly well as a piece for string quartet, eliminating, of course, the violin 2b part and the bass part.
For the curious, here is some information about this piece. If you use this arrangement for a wedding, please let me know. It would be fun to see where it is begin played, and by whom.