The Calvin Choral Music Database (CCMD) contains over 5,000 records that describe choral scores. The core of the database is Calvin College's choral music library. The database can be searched in a multitude of ways. Some of the more distinctive and interesting are by program notes, Biblical source, liturgical use, and instrumentation.
The Cayvan Recorded Media Collection is a multi-format media collection located on the 2nd floor of Hekman Library housing the library's audio and visual media collections (movies, music, audiobooks, etc.).
This is a free sheet music website for choral musicians. There are a myriad of contributors and editors, and the content follows a wiki model. Content includes original texts with sources and translations; cross indexing of choral music by musical genre, period, and number and voicing of choral parts; composer information; description and performance considerations (in some cases); and lastly, contents of collections of choral music.