There are multiple artists by this name: 1) Happy End ( はっぴいえんど) was a Japanese folk rock band that existed between 1970 and 1973. 2) Happy End is a hardcore punk band from Spain. http://www.myspace.com/xxxhappyendxxx 3) Happy End was also a band from Poland best known for their songs "jak się masz kochanie" and "Nadaj do mnie S.O.S." 1) The band's pioneering avant-garde sound is highly revered, and they are considered to be one of the most influential bands in Japanese music.