This is a RD Burman sketch, creating on computer is use by Pen Tablet.
Rahul Dev Burman (27 June 1939 – 4 January 1994) was an Indian film score composer, who is considered one of the seminal music directors of the Indian film industry. Nicknamed Pancham da, he was the only son of the noted composer Sachin Dev Burman.
From the 1960s to the 1990s, RD Burman composed scores for 331 movies. He was mainly active in the Hindi film industry (Bollywood) as a composer, and also provided vocals for a few of compositions. RD Burman did major work with Asha Bhosle (his wife) and Kishore Kumar, and scored many of the songs that made these singers famous. He served as a influence to the next generation of Indian music directors, and his songs continue to be popular in India even after his death.
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