How many songs did Billy Joe Armstrong sing?

Billy Joe Armstrong is the lead vocalist and guitarist of the American punk rock band Green Day. As of 2023, he has written and performed over 150 songs with Green Day, contributing to 13 studio albums, including "Dookie," "American Idiot," and "Revolution Radio."

However, it's worth noting that Billy Joe Armstrong has also had a solo career and collaborations with other artists, performing and writing additional songs outside of his work with Green Day.