Uffda - Bruce Johnson and Daniel Dahlin. Bruce, the questionable leader of Uffda, plays an old style of harmony which his father, Edwin Johnson, brought to the USA from Sweden in 1924. Uffda plays tunes from Rättvik, Binsjö and Boda, located in Dalarna, Sweden. Uffda plays with a lot of feeling and energy, and show it when they play. Make sure to take in one of their sets, unless you are susceptibile to motion sickness.