n addition to the MELT Festival @meltfestival , renowned concert agency Karsten Jahnke Konzertdirektion @karstenjahnke , the Jung von Matt music agency @jungvonmatt , White Horse Music @whm_hamburg , Hamburg music clubs Mojo Club @mojo_club , Nochtspeicher @nochtspeicher_nochtwache , Uebel & Gefährlich @uebel_und_gefaehrlich , the magazine Kaltblut @kaltblut_magazine and the agencies Raketerei, Artemon Music @artemon_music , as well as the festivals Rocken am Brocken @rockenambrocken , Lunatic Festival @lunaticfestival and Whatever Happens Festival @whateverhappensfestival have all just signed up to participate in the Keychange Pledge - bringing the total number of signatories in Germany to 38!