O.P. Nayyar was a famous Indian music director, record producer and singer who played a significant role in shaping the music of Hindi cinema in the 1950s and 1960s. He was born on January 16, 1926, in Lahore, British India (now Pakistan) and began his career in the film industry as a singer before transitioning to music direction. Nayyar began his career in the film industry as a singer in Lahore in the 1940s. He went on to work as a music assistant to various music directors, including Ghulam Haider. In 1951, he made his debut as a music director with the film "Aasmaan". Nayyar then composed music for Chham Chhama Chham (1952) and Baaz (1953), Film producer, director and composer and conduct music for Aar Paar (1954), Mr. & Mrs. '55(1955) and C.I.D (1956).

Nayyar's career took off in the 1950s with films such as "Howrah Bridge" (1958) and "Miss Mary" (1957), which featured hit songs such as "Mere Sapno Ki Rani" and "Aaiye Meherbaan" respectively. He also worked with some of the biggest names in Hindi cinema, such as Dev Anand, Guru Dutt, and Raj Kapoor. He was known for his unique style of composition which was heavily influenced by Western music, and he often incorporated elements of jazz and rock and roll into his soundtracks. He also had a reputation for being a perfectionist in the studio and for demanding the best from his singers. Nayyar's collaboration with the famous singer Asha Bhosle and Mohmamed Rafi are considered one of the most successful in the history of Hindi cinema. Altogether, they worked on over 80 films, and their songs were known for their catchy rhythms and playful lyrics. Some of their most famous songs include "Tere Bina Zindagi Se" from "Aandhi" (1975) and "Tumne Mujhe Dekha" from "Teesri Manzil" (1966). Nayyar's career spanned over three decades, and he composed music for over 150 films. He won several awards for his contributions to the film industry, including the Filmfare Award for Best Music Director for the film "Howrah Bridge" in 1958. In retirement Nayyar stayed in touch with only a few people, including Gajendra Singh and Ahmed Wasi; Singh included him as a judge for his television show, Sa Re Ga Ma Pa. Wasi interviewed Nayyar twice on Vividh Bharati and presented a series of six one-hour episodes, Mujhe Yaad Sab Hai Zaraa Zaraa, about his life.
In last years of his life, he stayed at Eden Woods Complex, Thane, and breathed his last at Thane. OP Nayyar passed away on January 28, 2007, but his legacy lives on through his music. He is remembered as one of the most influential music directors of his time, who pushed the boundaries of what was possible in Hindi film music, and his music still continues to be popular and loved today.

In summary, O.P. Nayyar was a famous Indian music director and singer who played a significant role in shaping the music of Hindi cinema in the 1950s and 1960s. He began his career in the film industry as a singer and music assistant. He had a unique style of composition which was heavily influenced by Western music, and he often incorporated elements of jazz and rock and roll into his soundtracks. His collaboration with the famous singer Asha Bhosle is considered one of the most successful in the history of Hindi cinema. He composed music for over 150 films, won several awards and his music is still loved and remembered today.