It is a series of japanese anime songs, played in jazz versions, performed by swedish musicians.

Viktor Widqvist (1881-1952) was a Swedish military musician and composer.

It was recorded with the help of a popular Swedish musician.

Johan Langell (born 16 May 1975) is a Swedish musician.

Many Swedish indie musicians have become famous world-side.

Martin Rössel (born 8 April 1959), is a Swedish musician and producer.

Peter Nuottaniemi (born 1970) is a Swedish musician, songwriter and comic writer/artist.

Mats Wester, born 1964, is a Swedish musician and plays the nyckelharpa.

Emma Härdelin (born September 26, 1975) is a Swedish musician.

A few songs were composed or arranged by three Swedish musicians, including Johansson.