Complex sentence: Nida Fazli has written seven songs for the "musical saga", the serial has scores by Pritam's erstwhile partner Jeet Ganguly-known as Jeet (music director).
Split into simpler sentences: Nida Fazli has written seven songs for the serial. A "musical saga", the serial has scores by Pritam's erstwhile partner Jeet Ganguly-known as Jeet (music director).