In 1969, The Hollies released an entire album of covers by what popular singer, known for songs like, "The Times They Are a-Changin'"?
Hollies Sing Hollies: Hollies Sing Hollies is the ninth studio album released in England by The Hollies. Hollies Sing Hollies:  It was released in November 1969 by Parlophone, their second album that year coming 6 months after an entire album of Bob Dylan covers.
i don't know