Given the task definition and input, reply with output. Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Heinrich Schenker (June 19, 1868 -- January 14, 1935) was a composer, pianist, music critic, music teacher, and music theorist, best known for his approach to musical analysis, now usually called Schenkerian analysis.
Answer : composer
What was Heinrich Schenker's career?