Conversation so far:
Where was Yip Harburg born?
Yip Harburg was born Isidore Hochberg on the Lower East Side of New York City.
Is there any information about where Yip Harburg went to school as a child?
Yip Harburg attended Townsend Harris High School.
Did Yip Harburg attend college or University?
After World War I, Yip Harburg returned to New York and graduated from City College, later part of the City University of New York

Question: How did he get started in show business?
Self-contained rewrite: How did Yip Harburg get started in show business?