Väsen was first played on NTS on 4 January 2022. Songs played include Mördar Cajsas Polska and Sommarpolskan.

Heavyweights in the nordic folk music scene, Väsen are a Swedish group combining the talents of Olov Johansson (nyckelharpa), Mikael Marin (viola), Roger Tallroth (guitar) and André Ferrari (percussion). The band has also released a number of albums as a trio without Ferrari.