These independent sources will license music on a royalty-free basis: http://magnatune.com/info/licensing http://magnatune.com/info/licensing https://pro.jamen

These independent sources will license music on a royalty-free basis: http://magnatune.com/info/licensing http://magnatune.com/info/licensing https://pro.jamendo.com/stock-music-licensing https://pro.jamendo.com/stock-music-licensing Musopen claims to host all recordings that are in the public domain, but many are posted anonymously or semi-anonymously and I'd be leery of using them without doing some legwork first. (It's all classical music, which probably isn't what you want, anyway.) https://musopen.org/ https://musopen.org/