Violin Concerto in A minor, Op. 54 was written by Danish composer Knudåge Riisager in 1950–1951 for violinist Wandy Tworek , to whom it is dedicated. Tworek gave its first performance with conductor Nicolai Malko at a Thursday Concert on 11 October 1951.[1] There is a second, revised, version of the concerto, which was performed for the first time by Kai Laursen at Gothenburg.[2] The approximate duration is 23 minutes.