Blackmail is a German indie rock band from Koblenz, Germany which was started briefly in 1993 by singer Aydo Abay, brothers Kurt Ebelhäuser (lead guitars) and Carlos Ebelhäuser (bass) and drummer Mario Matthias. Their style of music usually varies, but manily consists of the indie rock genre which is combined with experimentation of electronic music, progressive rock, alternative rock and dance. It is also known for its harsh and high-pitched guitar melodies.   Wikipedia