Fix grammaticality in this sentence: He was counted amongst the leading lyric tenors of his day and performed at all the world’s major opera houses, including La Scala in Milan the Hamburg State Opera the Vienna State Opera the Bavarian State Opera in Munich the Zurich Opera, Switzerland the Liceu in Barcelona the Metropolitan Opera in New York
He was counted amongst the leading lyric tenors of his day and performed at all the world’s major opera houses, including La Scala in Milan the Hamburg State Opera the Vienna State Opera the Bavarian State Opera in Munich the Zurich Opera, Switzerland the Liceu in Barcelona the Metropolitan Opera in New York