Allan Arthur Guy Sigsworth is an English record producer and songwriter. During his career, he has worked with many artists, including Seal, Björk, Goldie, Madonna, Britney Spears, Kate Havnevik, Imogen Heap, Bebel Gilberto, Mozez, David Sylvian, Alanis Morissette, Eric Whitacre, Alison Moyet, and AURORA. He has also collaborated with many celebrated instrumental musicians, including Talvin Singh, Jon Hassell, and Lester Bowie. He is a member of the duo Frou Frou, with Imogen Heap.

Kate Havnevik is a Norwegian film composer, songwriter and singer. Her debut album, the critically acclaimed electronica-infused Melankton, was released in March 2006 on iTunes and April 2006 in Norway only, before being licensed internationally to Universal Republic USA later. Havnevik has successfully utilized PledgeMusic campaigns to fund some of her albums, including You, released October 2011, and &i, released March 2015. Her music has been prominently featured in TV shows such as Grey's Anatomy, The O.C., and The West Wing.