Karl Johan Roger Tallroth, born in 1958, is a Swedish folk musician and composer, best known as a founder member of the band Väsen.
[1] Principally a guitarist, he also plays other stringed instruments such as the bouzouki, ukulele, mandola, mandolin, fiddle, viola, oud and double bass.
Tallroth was a founding member of Väsen,[2] however in 2020 he announced his departure from the band to focus on other projects.
[3] In groups such as Väsen, Tallroth has created a personal playing style which often includes alternative tunings (especially A-D-A-D-A-D[1] on the guitar) and distinct rhythmic patterns.
He has worked with musicians such as Annbjørg Lien and Sofia Karlsson, and collaborated on the theatrical production Hästen och tranan.