This work takes more than an hour to perform and premiered at Donaueschingen in October 1970. The piece is scored for two ring-modulated pianos, a wood block, crotales (ancient cymbals), and a short-wave radio transmitting Morse code.
Lyrics for this song have yet to be released
Mantra was written by Karlheinz Stockhausen.
Karlheinz Stockhausen released Mantra on Sun Oct 18 1970.