Tony Clarke was an influential British rock music producer, best known for his work with the Moody Blues during their classic period in the late 1960s and 1970s. Noted for his innovative use of the Mellotron and his orchestral arrangement, Clarke's production greatly contributed to the band's distinct symphonic rock sound. His production on influential albums like "Days of Future Passed" and "Seventh Sojourn" played a significant role in the development of progressive rock. Clarke's influence on the Moody Blues' sound and his contribution to the genre have cemented his status as a significant figure in rock music production history.