The piece was initially composed as
Improvisation for Orchestra, in the key of
D major. It was premiered on 21 July 1894 at an outdoor festival in
Vaasa, organized by the (). Short, lyrical, and delicately scored, Sibelius's piece was ill-suited for the open-air concert, and the audience received it less enthusiastically than another work on the program:
Korsholm, by Sibelius's brother-in-law and friend
Armas Järnefelt. Shortly therefore, Sibelius withdrew
Improvisation for revision. In 1895, he recast it in
F major and retitled the work
Spring Song (), appending the subtitle "The Sadness of Spring" to that (unpublished) version. ==Instrumentation==