Like Beethoven, Bach, Mozart, the troubadours, the minstrels, folk song, blues, arsa nova, bossa nova, etc. etc. etc. The way music ever has been.
Except since the early 1900's when some tin pan alley goons stole it away, The goons have been stealing ever since.
But now
We are back to free music. You hear it -- you own it. Sing it again, Sam. Play "Happy Birthday to You" for Elsa!