Original sentence: In 1960, he joined the famous Kerala Kalamandalam and learned music under leading Kathakali musicains like Kalamandalam Neelakantan Nambisan, Sivaraman Nair and Kalamandalam Gangadharan
Edited sentence: In 1960, he joined the famous Kerala Kalamandalam and learned music under leading Kathakali musicians like Kalamandalam Neelakantan Nambisan, Sivaraman Nair and Kalamandalam Gangadharan