These websites provide bgms and sounds for independent film makers and documentary makers. You can download and use these free music tracks in your commercial video projects with a credit to the respective owners. Check the individual condition to use in the respective websites.
You can download inexpensive royalty free music to use on YouTube, with no third party copyright claims at (3) Royalty Free Music For YouTube, Film, TV – but this website is not a free service.
(4) Partners In Rhyme has a great collection of Cinematic Music, Tracks for Movie Trailers, Short Films etc. Unlike other royalty free music companies Partners In Rhyme do not require you to submit cue sheets or report to any of the performing rights organizations.
Free. Completely Free – Royalty Free Music – (5) http://www.freemusicpublicdomain.com
Another one – (6) http://mccoyproductions.net/free-music-for-videos/
One more – (7) Dig CC Mixter http://dig.ccmixter.org/film
(8) http://freemusicarchive.org/curator/Video/ Free Music Archive
Not free, but inexpensive royalty free music – (9) www.neosounds.com You can use the music in monetized videos. Have a wonderful collection.
(10) Incompetech Excellent collection of sound tracks from short films.
(11) Melody Loops
Last but not least, dear Filmmakers, you should be aware of the free music resource at Youtube.com. It has a lot of music content that’s completely free.