Max Friedlaender was a German bass singer, music editor, and musicologist. He specialized in German Lieder. Friedlaender's edited several popular song anthologies for the Leipzig music publisher CF Peters including works by Robert Schumann, Felix Mendelssohn, Carl Loewe, Ludwig van Beethoven, seven volumes of Schubert songs, a collection of folk songs, and a "Choral Manual." Some of these editions are still in print today. In his researches, Friedlaender discovered several previously unknown songs by Schubert. His magnum opus is a two-volume study of German song in the 18th century (Cotta, Stuttgart 1902).