Tomas Folke Jonas Ledin (Swedish pronunciation: [ˈtʰʊmas ˈfɔl.ˈkɛ ˈjuː.ˈnas lɛˈdiːn], born 25 February 1952 in Rätan, Sweden) is a Swedish singer, songwriter, guitarist, and producer. He grew up in the town of Sandviken, Sweden.Tomas Ledin started his career in 1972 when his first single, "Då ska jag spela", was a big hit. Other successful songs followed: "Blå, blå känslor" (1973), (covered by Björn Skifs), "Knivhuggarrock" (1975), "Festen har börjat" (1976), and "I natt är jag din" (1977).