Festival Outlook is an online database of music festivals and concerts from around the world. Search by festival name, location, lineup (artist or band) or date. Entries provide known festival information and links to official websites.
According to the site, “[t]he Global Music Archive is a multi-media reference archive and resource center for traditional and popular song, music, and dance of Africa and the Americas.” Currently, only East African music is available, but you can read about plans for expanding the database. Users can search by region, language, instrument, etc. From Vanderbilt University.