photo credit: Neil Krug First Aid Kit , a Swedish folk duo composed of sisters Johanna and Klara Söderberg came through Philadelphia on a short US & Canada tour on the way to Coachella Festival . The chilly March night did not keep a near sellout crowd away from the sonically fabulous Union Transfer. London trio Peggy Sue opened the show. They are a three piece outfit with hypnotic harmonies by Katy Klaw and Rosa Rex and pounding drums by Olly Olly Olly. New song 'Idol' stood out the most, with a lyric of "Robert Johnson and the devil" catching my attention. They played originals and two 50's/60's covers they recorded for a special tour EP; 'Blue Velvet' and 'Heatwave'. The First Aid Kit touring for new album, The Lion's Roar, hit the road with their album drummer Mattias Bergqvist, Johanna taking lead vocals and guitar, and Klara playing her Nord Electro 3 keyboard. The exceptionally confident young ladies, ag...