Audio Sources

It's important to compress audio files for optimal user experience. Very long audios such as podcasts should be streamed.

Ideally, target a size not much larger than you'd generate images, to optimize browser download time.

Creative Commons Sources

CC BY Creative Commons sources typically allow the use and modification of material, even commercially - in exchange for attribution, a link back to the source.

Soundcloud

To locate CC BY content;

1. Search
2. Click Tracks in the left menu
3. Under Filter results, click To use commercially

Example;

https://soundcloud.com/search/sounds?q=alan%20walker&filter.license=to_use_commercially

When reviewing an individual file, you can see the license just after the description, e.g.;

https://soundcloud.com/monsterfree/alan-walker-alone-mrelease

Supports;

• Attribution 4.0 International
  https://creativecommons.org/licenses/by/4.0/deed.en
• Attribution 3.0 Unported
  https://creativecommons.org/licenses/by/3.0/

‍