Two of Us are Oskar Nilsson, on vocals, & Efraim Törnfeldt, on guitars, piano, bass and providing backing vocals. Both members of the duo are from Stockholm, Sweden.
The Book of Love was originally recorded by The Magnetic Fields on their 1999 album 69 Love songs. It has also been covered by Peter Gabriel. The Book of Love is described as “sort of a manifesto for the album” which isn’t a collection of love songs but a collection about love songs.