Achu Rajamani, often credited as Achu, is an Indian film score and soundtrack composer and singer. He has scored music for several Malayalam, Telugu and Tamil films. Achu is the grandson of music director B. A. Chidambaranath who is considered to be one among the pioneers of Malayalam music industry. His father, Rajamani, was also a music director who scored for more than 1000 films in Tamil, Telugu, Kannada and Malayalam languages (He died suddenly in February 2016). He is a graduate from Loyola College, Chennai.Hailing from a musical family, Achu's natural interest was to become a pilot. He chose music over aviation and became a full-fledged musician. He learned Carnatic classical from music director M. M. Keeravani.