Conversation so far:
What did James Levine do with the Opera?
During Levine's tenure, the Metropolitan Opera orchestra expanded its activities into the realms of recording, and separate concert series for the orchestra.
Was he a singer or writer?
he was named principal conductor of the Metropolitan Opera in February 1972.
How long did he work with them?
Following a May 2011 performance of Die Walkure, Levine formally withdrew from all conducting engagements at the Met.
Why did he withdraw?
Following a series of injuries that began with a fall (see below), Levine's subsequent health problems.
Any other reasons he left?
CANNOTANSWER.

Question: What injuries came with his fall?
Self-contained rewrite: What injuries came with James Levine fall?