Gustav Lange (13 August 1830 – 20 July 1889) was a German composer known mainly for his melodious salon music for the piano.Lange was born in Schwerstedt, near Erfurt, Prussian Saxony, in 1830. He received initial musical training from his father on the piano and organ, followed by conservatory studies in piano, organ, thorough bass, and composition – probably at the Royal Institute for Church Music in Berlin. His teachers included August Wilhelm Bach, Eduard Grell, and Albert Löschhorn.