Mustafa had last composed and rendered two hit numbers, 'To Phir Aao' and 'Tera Mera Rishta', for Mohit Suri's Emraan Hashmi-starrer Awarapan, which was also produced by Mukesh and Mahesh Bhatt.
Blood Money was in the news recently for the Bhatts signing up Pritam's ex-partner Jeet to score the music for this production. Mustafa is believed to have sung for Jeet's compositions.
The music of Blood Money is expected to release later this year.