Complex sentence: KVN joined the Music College in Madras as a lecturer in 1962 when Musiri Subramania Iyer was its principal, and retired as Professor of Music in 1982.
Split into simpler sentences: KVN joined the Music College in Madras as a lecturer in 1962 when Musiri Subramania Iyer was its principal. He retired as Professor of Music in 1982.