Question: What type of profession does Utpala Sen and Hemanta Mukherjee have in common?

full_context: Document 1: Hemlata: Hemlata (born 16 August 1954 in Hyderabad, India) has been one of the most famous and successful leading playback singers in Bollywood since the late 1970s. She is classically trained and has a unique style of singing which makes her stand apart from other playback singers of her era. She had established herself on her unique exquisite voice quality that she delivered in various Indian Films, Concerts, T.V. Serials, Music Albums and gave many unforgettable songs like Ankhiyon Ke Jharokhon Se, Le To Aaye Ho Hame Sapno Ke, Tu Is Tarah Se Meri Zindagi Mein, Kaun Disha Leke Chala Re. Her magnificent velvety voice rich in emotion and expression has reached to millions of music lovers, touching their souls as she has recorded more than 5000 songs and has sung in more than 38 Regional, National and International languages including Bengali, Bhojpuri, Punjabi, Haryanvi, Rajasthani, Marwari, Brij Bhasha, Gujarati, Marathi, Sindhi, Oriya, Assamese, Malayalam, Kannada, Konkani, Dogri, Multani, Saraiki, Garhwali, Bundeli, Nepali, Arabic, Persian, Urdu, Sanskrit, Prakrit, English, French, Mauritian Creole, Spanish, Italian, Zulu, Dutch, Hindi, etc.
Document 2: Kishore Kumar: Kishore Kumar (4 August 1929 – 13 October 1987) was an Indian playback singer, actor, lyricist, composer, producer, director, and screenwriter. He is considered one of the successful playback singers in the Hindi film industry.
Document 3: Palash Sen: Palash Sen is an Indian singer, songwriter, musician, composer and actor best known as the founder and frontman of India's pop band Euphoria.
Document 4: Saptapadi (1961 film): Saptapadi (English: Seven steps) is a 1961 Indian Bengali romantic drama film by Ajoy Kar, starring Suchitra Sen, Uttam Kumar, Chhabi Biswas and Chhaya Debi. Regarded as the romantic blockbuster of the evergreen romantic pair of Bengali cinema, Uttam Kumar and Suchitra Sen, accompanied with mesmerizing music direction and playback singing in Uttam's voice by Hemanta Mukherjee and in Suchitra's voice by Sandhya Mukherjee. The story is based on a novel of 1958 written by Tarasankar Bandyopadhyay.
Document 5: Rajeshwari Datta: Rajeshwari Datta was an Indian singer, considered one of the best-known exponents of the songs of Rabindranath Tagore: (Rabindrasangeet). She was amongst the few singers to earn appreciation from Rabindranath Tagore. She was among the panchakanya of Rabindrasangeet, a group of the earliest singers of Tagore songs from families directly connected to Tagore and including Sahana Devi, Amiya Tagore, and Malati Ghoshal.
Document 6: Mohammed Rafi: Mohammed Rafi (24 December 1924 – 31 July 1980) was an Indian playback singer and one of the most popular singers of the Hindi film industry. Rafi was notable for his voice and versatility; his songs ranged from classical numbers to patriotic songs, sad lamentations to highly romantic numbers, qawwalis to ghazals and bhajans. He was known for his ability to mould his voice to the persona of the actor, lip-synching the song on screen in the movie. Between 1950 and 1970, Rafi was the most sought after singer in the Hindi film industry. He received six Filmfare Awards and one National Film Award. In 1967, he was honoured with the Padma Shri award by the Government of India.
Document 7: Hemanta Mukherjee: Hemanta Mukherjee ((16 June 1920 – 26 September 1989); often credited as Hemant Kumar outside Bengal) was an Indian playback singer, music director and film producer, who sang in Bengali, Hindi and other Indian languages. He is also the greatest artist of Rabindra Sangeet. He won two National awards for the category best male playback singer. He is often credited as one of the greatest Indian singers of all time for his unparalleled manly voice.
Document 8: Mukesh (singer): Mukesh Chand Mathur (22 July 1923 – 27 August 1976), better known mononymously as Mukesh, was an Indian playback singer of Hindi movies. Along with Mohammed Rafi, Manna Dey and Kishore Kumar, he was one of the most popular and legendary singers of his era. Amongst the numerous nominations and awards he won, his song "Kai Baar Yuhi Dekha Hai" from film "Rajnigandha" (1973) won him the National Film Award for Best Male Playback Singer. Mukesh was also popular as being the voice of the actor Raj Kapoor,Manoj Kumar,Feroz Khan,Sunil Dutt.
Document 9: Kavita Krishnamurthy: Kavita Krishnamurthy is an Indian film playback singer. Trained in classical music, she has sung a wide range of classical-based songs. In her career, she has worked with a variety of music composers, including Laxmikant–Pyarelal, R. D. Burman, Hamsalekha and A. R. Rahman. She is also the recipient of four Filmfare Best Female Playback Singer Awards, including three consecutive awards in the period 1994–1996, and the Padmashri which she received in 2005. In 1999, she married violinist L. Subramaniam.
Document 10: P. Susheela: Pulapaka Susheela, commonly known as P. Susheela, is an Indian playback singer associated with the South Indian cinema for over six decades. She has been recognized by both the "Guinness Book of World Records" and the "Asia Book of Records" for singing most number of songs in Indian languages. She is also the recipient of five National Film Award for Best Female Playback Singer and numerous state awards. Susheela is widely acclaimed as a singer who defined feminism in South Indian Cinema and is well known for her mellifluous vocal performances for over 40,000 film songs across South Indian languages.
Document 11: Bela Mukherjee: Bela Mukherjee (d. June 25, 2009) was an Indian singer and the wife of singer and music director Hemanta Mukherjee. She recorded a number of songs with her husband.
Document 12: Suraiya: Suraiya Jamaal Sheikh (15 June 1929 – 31 January 2004), popularly known as Suraiya, was an Indian Muslim Hindi/Hindustani film actress and playback singer in Bollywood from the 1940s to the early 1960s, who remained unmarried throughout her life, after her love affair with actor Dev Anand was aborted by her maternal grandmother. She was the most popular singing star of the Indian sub-continent of her generation. Until 1943, as a child singer, Suraiya did playback singing for one actress, namely Mehtab, in three films, and also in some of her own films for her roles as a child artiste. After this, she only sang for her own films as an actress, and acted as a heroine from 1946 until the end of her career in 1963. From 1948 to 1951, she became the singing superstar of Bollywood, earning more for her performances than all the performing actors of the times, male or female, including Dev Anand, Raj Kapoor, Dilip Kumar, Nargis and Madhubala. She received 1.5–2 lakhs rupees for her role per film, when top male actors were getting 50 thousand to 1 lakh rs. For a song, she commanded rs. 1000, while Lata Mangeshkar was getting rs. 100–200 per song. She was the only child of her parents. She had a natural talent for singing, acting and dancing from childhood. She received basic training in music when her mother used to take her to a Hindustani music teacher or 'masterji' for training. She first sang for a children's program for All India Radio in 1937. Later on Naushad gave her on the job 'training', while recording. She went on to become one of the most successful singing film stars of Bollywood. She had received training in dancing from Mumtaz Ali, dancer-actor and father of the famous comedian Mehmood. She was also known for her North Indian Muslim feudal style acting or 'adakari' in many of her films ("Mirza Ghalib (film)", "Phool", "Afsar", "Shayar", "Jeet (1949 film)", "Anmol Ghadi" and "Dastan"). This style 'endowed modernity with an aura of tradition' and brought nostalgic feudal tinge to the scenes. Her performance 'expertly integrated gestures, music and speech'. Suraiya in her heyday was known as 'Malika-e-Husn' (queen of beauty), 'Malika-e-Tarannum' (queen of melody) and 'Malika-e-Adakaari' (queen of acting), all rolled into one. In a career spanning from 1936 till 1963, Suraiya sang 338 songs in films (which were mostly her own films) and 2 in addition were non-film songs, namely, 'tum rahe kahan ko piya' and 'hum tum karenge pyar'. She acted in 67 movies, which do not include the incomplete films such as "Jaanwar" (with Dilip Kumar), "Paagal Khaana" with Bharat Bhushan and an Indo-British film on Wajid Ali Shah (1953) being directed by British director, Herbert Marshall, with Ashok Kumar in the role of Wajid Ali Shah.
Document 13: Hemanta Mukherjee metro station: Hemanta Mukherjee Metro Station is a station of Line 6 of the Kolkata Metro. The station is named in honour of the Indian Bengali playback singer Hemanta Mukherjee.
Document 14: Utpala Sen: Utpala Sen (12 March 1924 - 13 May 2005) was a prominent Indian Bengali playback singer. She was a very popular playback singer in the 1950s alongside Sandhya Mukherjee, Pratima Banerjee and Alpana Banerjee etc. She has sung numerous duets with prominent male singers such as Hemanta Mukherjee, Manna Dey and also her husband, Satinath Mukherjee.
Document 15: Usha Khanna: Usha Khanna (Hindi: उषा खन्ना ; born 7 October 1941) is an Indian music director in Hindi cinema. She is the third female music director to enter the Indian film industry, after Jaddan Bai and Saraswati Devi and is one of the most commercially successful music directors in the male dominated music industry. She is most known for songs like "Chodo kal ki baatein", "Shaayad meri shaadi ka khayal", "Zindagi pyaar ka geet hai" and "Aap to aise na the". She remained active for more than 3 decades from 1960s to 1980s. She is still active making some music for some movies and television-serials, more than 40 years after her debut as music director in Dil Deke Dekho (1959). She received a Filmfare Award nomination for composing the songs for the huge hit film "Souten "(1983). She was married to director, producer, lyricist, Sawan Kumar Tak, from whom she separated later on.
ground_truth: singer