Question: The person who wrote the musical score for "Onde Roopa Eradu Guna" is affectionately called what by his admirers?

Context articles: Madapati Hanumantha Rao
Khandavideko Mamsavideko
Mutthu Ondu Mutthu
Álvares de Azevedo
Aalemane
Onde Roopa Eradu Guna
Paula Wessely
Salil Chowdhury
Ellame En Rasathan
Onde Balliya Hoogalu

Madapati Hanumantha Rao (Jan 22, 1885- Nov 11, 1970) was an Indian patriot, statesman, poet and a short-story writer.
 He was the first Mayor of Hyderabad from 1951-1954.
 He is also a Padma Bhushan recipient.
 He was affectionately called as "Andhra Pitamaha" (Grandfather of Andhra) by his admirers.
Khandavideko Mamsavideko (Kannada: ಖಂಡವಿದೆಕೋ ಮಾಂಸವಿದೆಕೋ) is a 1979 Indian Kannada film, directed by P. Lankesh and produced by Prabhakar Reddy, P. Lankesh, B. S. Somasundar and K. S. L. Swamy (Ravi).
 The film stars Roopa, Jayamala, Suresh Heblikar and Kantharaj in lead roles.
 The film had musical score by Rajeev Tharanath.
Mutthu Ondu Mutthu (Kannada: ಮುತ್ತು ಒಂದು ಮುತ್ತು ) is a 1979 Indian Kannada film, directed by R. N. Jayagopal and is based on the novel Hoobaana written by M. K. Indira.
 The film stars Anant Nag, Roopa Chakravarthy, Sundar Krishna Urs and Vasudeva Rao in lead roles.
 The film had musical score by G. K. Venkatesh.
Manuel Antônio Álvares de Azevedo (September 12, 1831 – April 25, 1852), affectionately called "Maneco" by his close friends, relatives and admirers, was a Brazilian Romantic poet, short story writer, playwright and essayist, considered to be one of the major exponents of Ultra-Romanticism and Gothic literature in Brazil.
 His works tend to play heavily with opposite notions, such as love and death, platonism and sarcasm, sentimentalism and pessimism, among others, and have a strong influence of Musset, Chateaubriand, Lamartine, Goethe and – above all – Byron.
Aalemane (Kannada: ಆಲೆಮನೆ ) is a 1981 Kannada movie starring Suresh Heblikar, Mohan Kumar, Roopa Chakravarthi and Upasane Seetaram.
 The film is directed by Mohan Kumar and features musical score by Ashwath-Vaidi duo.
 The film was a musical hit and won the Karnataka State Film Award for Best Lyricist to Prof. Doddarange Gowda.
Onde Roopa Eradu Guna (Kannada: ಒಂದೇ ರೂಪ ಎರಡು ಗುಣ) is a 1975 Indian Kannada film, directed by A. M. Sameevulla and produced by A. M. Sameevulla.
 The film stars Vishnuvardhan, Balakrishna, Narasimharaju and Chandrashekar in lead roles.
 The film had musical score by Salil Chowdhury.
Paula Anna Maria Wessely (20 January 1907 – 11 May 2000) was an Austrian theatre and film actress.
 "Die Wessely" (literally "The Wessely"), as she was affectionately called by her admirers and fans, was Austria's foremost popular postwar actress.
Salil Chowdhury (Bengali: সলিল চৌধুরী ; 'Solil Choudhuri' in phonetic Wiki-Bengali; 19 November 1922 – 5 September 1995) was an Indian music composer, who mainly composed for Bengali, Hindi and Malayalam films.
 He was also a poet and a playwright.
 He is affectionately called "Salilda" by his admirers.
Ellame En Rasathan is a 1995 Tamil drama film directed by Rajkiran.
 The film features Rajkiran, Sangita and Roopa Sree in lead roles.
 The film, produced by Rajkiran, had musical score by Ilaiyaraaja and was released on 14 April 1995.
 The film was a hit at the box-office.
 The film was remade in Telugu as "Soggadi Pellam" in 1996.
Onde Balliya Hoogalu (Kannada: ಒಂದೇ ಬಳ್ಳಿಯ ಹೂಗಳು) is a 1967 Indian Kannada film, directed by M. S. Nayak and produced by Vanamala S Nayak.
 The film stars K. S. Ashwath, Rajashankar, Balakrishna and Dikki Madhavarao in lead roles.
 The film had musical score by Chellapilla Satyam.
 The film was a remake of Hindi film "Chhoti Bahen" which itself was a remake of 1952 Tamil movie "En Thangai".