Conversation so far:
What were the first operas?
In 1837, the young composer asked for Massini's assistance to stage his opera in Milan.
Why did he ask for assistance?
The La Scala impresario, Bartolomeo Merelli, agreed to put on Oberto (as the reworked opera was now called, with a libretto.
What was oberto?
CANNOTANSWER.

Question: What other operas did he perform?
Self-contained rewrite: What other operas did Giuseppe Verdi perform, besides Oberto?