(The following text is quoted from the free Wikipedia:)
Holger Edmaier (* 11. Mai 1972 in Bremen, Germany) is a German music cabaret artist, composer, lyricist, and moderator. [...]
Since 2014, Edmaier leads the Project 100% HUMAN, which is committed to the full equality and acceptance of sexual orientation and gender equality. The non-profit organization publishes a campaign song every year, composed by Edmaier and sung by various artists.