Original: He began to give frequent television performances, starting with his performances as Rodolfo (La Bohème) in the first Live from the Met telecast in March 1977, which attracted one of the largest audiences ever for a televised opera.
Simplified: He sang the role of Rodolfo in  (La bohème) in the first Live From The Met telecast in March of 1977, which attracted one of the largest audiences ever for a televised opera.