As of 13 April 2019 "I Wrote a Full Song in 24 Hours" was the only CC-BY video by <a href="https://en.wikipedia.org/wiki/en:Emma_Blackery" class="extiw" title="w:en:Emma Blackery">Emma Blackery</a>.
Emma Blackery
CC BY 3.0
<bdo lang="en" dir="ltr"><a href="//commons.wikimedia.org/wiki/Commons:YouTube_files" title="Commons:YouTube files">YouTube</a>: <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=K7r58jQqK8I"><bdi lang="">EmmaBlackery</bdi></a> – View/save archived versions on <a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://www.youtube.com/watch?v=K7r58jQqK8I">archive.org</a> and <a rel="nofollow" class="external text" href="https://archive.today/https://www.youtube.com/watch?v=K7r58jQqK8I">archive.today</a></bdo>