Question: What was the speciality of G. K. Venkatesh, who worked on films including Ananda Bashpa in 1963?
Context: Ananda Bashpa (Kannada: ಆನಂದ ಭಾಷ್ಪ) is a 1963 Indian Kannada film, directed and produced by R. Nagendra Rao.  The film stars R. N. Sudarshan, K. S. Ashwath, Harini and Rajani in lead roles.  The film had musical score by G. K. Venkatesh. K. S. Gopalakrishnan was an Indian screenwriter, director, producer, and lyricist, who worked in Tamil, Malayalam and Hindi films.  Since the early 1960s, he directed 70 films.  He spent most of his career directing and producing movies with social and devotional themes.  Most of his movies are melodramas. His son K. S. G. Venkatesh is an actor who has acted in television serials and in films like "Sathuranga Vettai". Thumbida Koda (Kannada: ತುಂಬಿದ ಕೊಡ) is a 1964 Indian Kannada film, directed by N. C. Rajan and produced by G. K. Venkatesh & Friends.  The film stars Rajkumar, K. S. Ashwath, T. R. Narasimharaju and Balakrishna in lead roles.  The film had musical score by G. K. Venkatesh. Kulavadhu (Kannada: ಕುಲವಧು) is a 1963 Indian Kannada film, directed by T. V. Singh Takur and produced by A C Narasimha Murthy & Friends.  The film stars Rajkumar, Balakrishna, Narasimharaju and K. S. Ashwath in lead roles.  The film had musical score by G. K. Venkatesh famous song "Yuga yugadi kaledaru" is a still hit song from this movie. Gowri (Kannada: ಗೌರಿ) is a 1963 Indian Kannada film, directed by S. K. A. Chari and produced by K Narayan Rao.  The film stars Sowkar Janaki, Rajkumar, Sandhya and M. N. Lakshmi in lead roles.  The film had musical score by G. K. Venkatesh. Bangari (Kannada: ಬಂಗಾರಿ) is a 1963 Indian Kannada film, directed and produced by G V Iyer.  The film stars Kalyan Kumar, B Vijayalakshmi, K. S. Ashwath and Narasimharaju in lead roles.  The film had musical score by G. K. Venkatesh. Malli Maduve (Kannada: ಮಲ್ಲಿ ಮದುವೆ) is a 1963 Indian Kannada film, directed by G. R. Nathan.  The film stars Rajkumar, Udaykumar, Rajashankar and K. S. Ashwath in lead roles.  The film had musical score by G. K. Venkatesh.  The film was a remake of Tamil film "Velaikaari" (1949). Gurajada Krishnadas Venkatesh (GKV) (21 September 1927 – 13 November 1993) was a prominent composer of film music in Kannada cinema during the 1960s, 1970s and until the late-1980s.  He also composed music for Tamil, Malayalam and Telugu movies.  He produced numerous master pieces of Kannada film music.  He also brought in Western background score into Kannada films and scored music for all Bond movies of Dr.Raj in the 1960s to 1970s. Lawyer Magalu (Kannada: ಲಾಯರ್ ಮಗಳು) is a 1963 Indian Kannada film, directed and produced by G V Iyer.  The film stars Kalyan Kumar, Udaykumar, B Vijayalakshmi and T. N. Balakrishna in lead roles.  The film had musical score by G. K. Venkatesh. Majnu is a Bengali romantic comedy film produced by Shrikant Mohta, Mahendra Soni, Nishpal Singh on Shree Venkatesh Films and Surinder Films banner, directed by Rajiv Kumar Biswas.  Starring Hiran, Srabanti in the lead roles and music mainly composed by Savvy.  The movie was remade into Kannada as "Gowramma" starring Upendra, Ramya; into Tamil as Vaseegara starring Vijay and Telugu as "Nuvvu Naaku Nachav", directed by K. Vijaya Bhaskar, starring Venkatesh and Arti Agarwal.  The Telugu version has garnered the state Nandi Award for Akkineni Award for Best Home-viewing Feature Film.
Answer: composer of film music