Here are several sites I find useful in my jobs as Worship Planner; Church Organist; Director of Handbell & Vocal Choirs; and Vocal Choir Accompanist. Send me an email with suggestions of other sites you would like to share.
For more free sheet music, visit these sites:
Follow these links to sheet music distributors and publishers:
Here’s a site where you can sell your used sheet music and/or buy used sheet music from others. There’s music for a variety of instruments and voices.
Sites of some awesome handbell / handchime performers:
To learn more about handbells, visit Handbell Musicians of American.
Resources for Pastors and Worship Planners:
LCMS Pastors’ Resources. Developed primarily for pastors, there are also pages of resources for musicians and worship planners.