Its members include Lóa Hlín Hjálmtýsdóttir, Árni Rúnar Hlöðversson, Örvar Þóreyjarson Smárason, Egill Eyjólfsson and Ívar Pétur Kjartansson.
[1] FM Belfast formed in late 2005 as a duo of Árni Rúnar Hlöðversson (Plúseinn) and Lóa Hlín Hjálmtýsdóttir, but didn't really get going properly until Árni Vilhjálmsson and Örvar Þóreyjarson Smárason joined.
The core of the band is made up of Árni Rúnar Hlöðversson (Plúseinn, Hairdoctor, Motion Boys), Lóa Hlín Hjálmtýsdóttir, Örvar Þóreyjarson Smárason (múm, Borko, Skakkamanage), Egill Eyjólfsson, and Ívar Pétur Kjartansson.
They are joined sometimes by Sveinbjorn Hermann Pálsson (Terrordisco), Björn Kristjánsson (Borko, Skakkamanage), Birgitta Birgisdóttir and Eiríkur Orri (múm, Kira Kira, Benni Hemm Hemm).
The band's live show often features many percussionists, among them are Sveinbjörn Pálsson, Björn Kristjánsson (Borko), Halli Civelek, Svanhvít Tryggvadóttir, Unnsteinn Manuel Stefánsson (Retro Stefson) and Þórður jörundsson (Retro Stefson).