 Björk has also put together her own fourteen-piece brass section of female Icelandic musicians who play on three tracks on the album.Its members comprise Sylvía Hlynsdóttir, Ása Berglind Hjálmarsdóttir, Dröfn Helgadóttir, Valdís Þorkelsdóttir, Karen J. Sturlaugsson, Björk Níelsdóttir, Sigrún Jónsdóttir, Harpa Jóhannsdóttir, Vilborg Jónsdóttir, Bergrún Snæbjörnsdóttir, Erla Axelsdóttir, Særún Pálmadóttir, Lilja Valdimarsdóttir and Brynja Guðmundsdóttir.Other collaborators include American drummers Brian Chippendale and Chris Corsano, Malian kora player Toumani Diabaté, Congolese ensemble Konono N°1, Chinese pipa player Min Xiao-Fen, British electronic musician Mark Bell, Icelandic lyricist Sjón programmer and engineer Damian Taylor and Estonian producer Michael Pärt.