in 1969, the American Broadcasting Company aired a Saturday morning cartoon series based on the Hardy Boys; the series was produced by Filmation and ran from 1969 to 1971.[91] In this series, the Hardys were members of a rock and roll band. A group of professional musicians performed all the songs on the series, and toured across the United States.[92] The animated series produced two bubblegum music albums "of moderate quality with no commercial success.