Conversation so far:
What was Tom Lehrer's style?
At the time, radio stations would not give Lehrer air time because of his controversial subjects.
What controversial subjects?
The album--which included the macabre "I Hold Your Hand in Mine", the mildly risque "Be Prepared", and "Lobachevsky" (regarding plagiarizing mathematicians)-.
What genre of music did he make?
CANNOTANSWER.

Question: Who were his influences?
Self-contained rewrite: Who were Tom Lehrer's influences?