Attribution must state the following: Music by Kevin D. Hartnell
A link to www.kevinhartnell.com should also be used
whenever possible when using my royalty-free music.
These works were created by Kevin D. Hartnell and are licensed under a
Creative Commons Attribution-ShareAlike 4.0 International License.
Based on a work at http://www.kevinhartnell.com/royalty-free-music.