Mr. Lambu is a Hindi language Bollywood movie made in 1956.
 The plot revolves around the once popular genre of Rakhi relations, a bond between brother and sister.
 It stars Suraiya, one of the most popular actresses and singers of the Indian subcontinent of her generation.
 In the film, Lata Mangeshkar, one of the most respected playback singers in India, sings a solo composed by the award-winning director of cinematic music, Indian composer O. P. Nayyar.
Naresh Iyer (born 3 January 1981) is a playback singer from Mumbai, India, born to a Tamil speaking family from Mumbai.
 He speaks fluent Tamil, Hindi and Marathi while he understands Malayalam.
 Naresh Iyer has rendered film songs in several Indian languages and has several chart hits to his credit.
 His rendition of "Roobaroo" from the movie "Rang De Basanti" composed by A. R. Rahman topped the music charts for many weeks in 2006 and won him the National Film Award for Best Male Playback Singer.
 He also won the Filmfare award in the R.D. Burman Musical Talent category.
 He is one of the few playback singers to have won both a Filmfare Award and a National Award in his professional debut singing year.
Billo (Punjabi: ਬਿੱਲੋ , Urdu: بلو‎ ) is a 1951 Punjabi, Pakistani film directed by Amjad Hussain and starring Darpan, M. Ismail, Nizam Din and Najma.
 Ghulam Ahmed Chishti composed the music with playback singers including Zubaida Khanum.
This was the movie in which renowned music director Ghulam Ahmed Chishti introduced
Suman Kalyanpur (a.k.a. Suman Hemmady) (born 28 January 1937) is an Indian singer.
 She is one of the best-known and most respected playback singers in India.
 She succeeded in achieving recognition of her own during the years of Lata Mangeshkar's monopoly and sang under the baton of almost all the top composers of the period.
 Many people believe that she could not reach the stature and position which her talent really warranted, in spite of having all the mandatory characteristics required to make a mark in the field of playback singing like great knowledge of classical music, a melodious voice and a wide range.
Shahida was a Pakistani Urdu film released on March 19, 1949.
 The film was directed by Luqman. "
"Shahida"" was actually the first "Pakistani film" which was started before the independence of Pakistan in 1947 and released in 1949.
 It was originally started as a project by Hakim Ahmad Shuja, along with financial backers in pre-independence British India c 1945-46 but could not be filmed due to the various problems, in particular the independence of India and Pakistan in 1947, which also led to the truncation of the old, joint film industry and its mutual contacts.
 The project was revived in 1948, by M.Akbar, as producer and Luqman as director.
 Hakim Ahmad Shuja was retained to revise his original script and to help write out the song lyrics, of classics such as "Dar ba dar Phirte hain" and "Alwidah", with Ghulam Haider and Ghulam Ahmed Chishti giving the excellent music.
Sabesh-Murali is an Indian musical duo, consisting of two Tamil music directors and playback singers who have jointly composed for many Tamil films in Chennai, India.
 Sabesh and Murali are siblings who began their careers working under their brother, the music director Deva, as assistant composers.
 They composed famous albums like "Pokkisham" and "Milaga".
 The duo are also rare playback singers.
 They composed for the Tamil movie "Imsai Arasan 23am Pulikesi".
 They scored the movie "Goripalayam" and the upcoming movie "Anthony Yaar".
Lata Mangeshkar (   ) (born 28 September 1929) is an Indian playback singer and occasional music composer.
 She is one of the best-known and most respected playback singers in India.
 Mangeshkar's career started in 1942 and has spanned over seven decades.
 She has recorded songs for over a thousand Hindi films and has sung songs in over thirty-six regional Indian languages and foreign languages, though primarily in Marathi and Hindi.
 She is the recipient of three National Film Awards, 12 Bengal Film Journalists' Association Awards, four Filmfare Best Female Playback Awards and many more.
 The Dadasaheb Phalke Award was bestowed on her in 1989 by the Government of India.
 She is also the second vocalist, after M. S. Subbulakshmi, to have ever been awarded the Bharat Ratna in 2001, India's highest civilian honour.
 She has four siblings—Asha Bhosle, Hridaynath Mangeshkar, Usha Mangeshkar and Meena Mangeshkar—of which she is the eldest.
Ghulam Haider (Urdu: ‎ , Sindhi: ماسٽر غلام حيدر‎ ) was a well-known music composer who worked both in India and in Pakistan after independence.
 He changed the face of film songs by combining the popular Raags with the verve and rhythm of Punjabi music, and also raised the status of music directors.
 He is also known for giving a break to the well-known playback singer, Lata Mangeshkar.
 In an interview, Lata Mangeshkar herself disclosed on her 84th birthday in 2013, "Ghulam Haider is truly my Godfather.
 It was his confidence in me that he fought for me to tuck me into the Hindi Film Industry which otherwise had rejected me".
 Remembering her early rejection, Lata once said, "Ghulam Haider was the first music director who showed complete faith in my talent.
 He introduced me to many producers including "S. Mukerji", a big name in film production, but when he too declined me, Ghulam Haider was very furious.
 Hence, finally he convinced Bombay Talkies, a banner bigger than S. Mukerji and introduced me through their movie Majboor (1948 film)".
Yamla Jat (Punjabi: ਯਮਲਾ ਜੱਟ ) is a pre-partition Punjabi film directed by Moti B. Gidwani, released in 1940.
 It starred M. Ismail, Noor Jehan and Pran in lead roles.
 The music is composed by Ghulam Haider and lyrics written by Wali Sahib for playback singers Noor Jehan and more.
 A popular song from this film is: "kankaan diyaan fasalaan pakiyaan ne, badalaan vichon khushian vassiyaan ne".
Ghulam Haider Wyne Urdu: ‎ , born 1940 in Amritsar Indian Punjab was a well-known politician of Pakistan.
 His family migrated from India to Pakistan in 1947 after the independence.
 He was the Leader of the Opposition (Pakistan) and former chief minister of Pakistan's most populous province Punjab.
 He held chief minister's position from 1990 to 1993, when President Ghulam Ishaq Khan dissolved the Constituent Assembly and removed his government in 1993 from Punjab along with Nawaz Sharif's governments in Pakistan.
 He was brutally murdered near Mian Channu while doing the rounds of his election campaign in 1993.

Question: Ghulam Haider was the first music director who showed complete faith in musical talent of which best-known and most respected playback singers in India?
Answer: Lata Mangeshkar