More fun: https://musescore.com/groups/improving-musescore-com/discuss/5080007 https://musescore.com/groups/improving-musescore-com/discuss... Composers don't

More fun: https://musescore.com/groups/improving-musescore-com/discuss/5080007 https://musescore.com/groups/improving-musescore-com/discuss... Composers don't have an option to assert their own copyright, and musescore.com declares that their work is "PD". It could be seen as uploading to musescore is an implicit grant of PD status.