with Kumar in the 1970s, including "O Maajhi Re" from Khushboo, "Yeh Shaam Mastaani" and "Yeh Jo Mohabbat Hai" from Kati Patang (1971), "Raat Kali Ek Khwab Mein Aayi" from Buddha Mil Gaya (1971) and "Chingari Koi Bhadke", "Kuch To Log Kahenge (Amar Prem)", "Zindagi Ke Safar Me Guzar Jaate Hain Jo Makam" from Aap Ki Kasam (1974), "Aane Wala Pal" from Golmaal (1979), "Hume Aur Jeene Ki Chahat Na Hoti" from Agar Tume Na Hote (1983), "Raha Pe Rahete Hai" from Namkeen (1985) and "Jab Bhi Koi Kangana" from Shaukeen (1987). Although Kumar was not formally trained in classical music, R. D. Burman often had Kumar sing semi-classical songs, such as "Humein Tum Se Pyaar Kitna" from Kudrat and "Mere Naina Saawan Bhadon" from Mehbooba. R. D. Burman recorded several duets pairing Kishore with Asha Bhosle and Lata Mangeshkar, including "Panna Ki Tamanna" and "Bahut Door Mujhe" from Heera Panna (1973), "Neend Chura Ke Raaton Mein" from the film Shareef Budmaash (1973), "Mujhko Mohabbat Mein Dhoka" and "Kisise Dosti Karlo" from Dil Deewana (1974), "Dhal Gayi Rang" from Heeralal Pannalal (1978), "Ek Main Hoon" from Darling Darling (1977), "Rimjhim Gire Sawan" from Manzil (1979), "Kya Yehi Pyar Hai" and "Hum Tum Se Mile" from Rocky (1981), "Jaan-e-Jaan Dhoondta" from Jawani Diwani, "Kahin Na Jaa" and "Kaho Kaise Rasta" from Bade Dilwala (1983), "Sun Zara Shok Haseena" and "Kharishoo" from Harjaee (1981), "Waada Haanji Waada" from The Burning Train (1980) and "Kaisi Lagrahi Hoon Mein" from Jhuta Sach (1984). Apart from the Burmans, Kumar worked with other famous music directors too. The composer duo Laxmikant–Pyarelal (L-P) composed many songs sung by him, including "Mere Mehboob Qayamat Hogi" from Mr. X in Bombay, "Mere Naseeb Mein Aye Dost" from Do Raaste, "Yeh Jeevan Hai" from Piya Ka Ghar, "Mere Dil Mein Aaj Kya Hai" from Daag, "Nahi Mai Nahi Dekh Sakta" from Majboor, "Mere Diwanepan Ki Bhi" from Mehboob Ki Mehndi, "Naach Meri Bulbul" from Roti, "Chal Chal Chal Mere Haathi" from Haathi Mere Saathi and "Tu Kitne Baras Ki" from Karz. L-P also worked with Kishore and Mohammed Rafi on duets for the films Zakhmee, Dostana, Ram Balram and Deedaar-E-Yaar. L-P composed "I Love You (Kaate Nahin Katate Yeh Din Yeh Raat)" for Mr. India (1987), a duet with Kishore and Alisha Chinoy. Salil Chowdhury recorded songs such as "Koi Hota Jisko Apna" from Mere Apne and "Guzar Jaaye Din