[3] Sunny M. R. studied at St. Anne's High School in Patna, Bihar and then joined as sound engineer to assist his accomplished brother, Shadab Rayeen.
He mastered mixing, arranging, and composing various tunes primarily for Keerthana Digital Studios, in Hyderabad, Telangana, for 6 years.
[5] In Keerthana Digital studios, Sunny collaborated 350 albums mastering ragas from carnatic Music.
[5] Sunny moved to Mumbai to meet Sandeep Chowta and joined as a sound engineer.
Sunny is part of an innovative open music community called Blogswara.