múm (pronounced , “moom”) is an experimental electronic group from Iceland whose music is characterized by soft vocals, eccentric beats and colorful effects, and a variety of traditional and unconventional instruments. Originally a duo, the band has expanded and contracted in the 12 years of being and has counted 15 - 20 people along the way. The band was formed in 1997 by original members Gunnar Örn Tynes and Örvar Þóreyjarson Smárason, their first release was a split 10" with the girl-band Spúnk and saw light in the summer of '98. They were joined a year later by twin sisters Gyða and Kristín Anna Valtýsdóttir and released two albums as quartet.