who composed the music for this movie?
R. D. Burman
Sholay
R. D. Burman composed the film's music, and the lyrics were written by Anand Bakshi. 
who is the main character in the movie sholay? Veeru, Jai, Gabbar Singh who are the actors who played these characters, respectively? Dharmendra, Amitabh Bachchan, Amjad Khan
wiki:13065699
Sholay [SEP] Music
R. D. Burman composed the film's music, and the lyrics were written by Anand Bakshi. The songs used in the film, and released on the original soundtrack are listed below. Following that is a list of unused tracks and dialogues which were released later on an updated soundtrack. The song "Mehbooba Mehbooba" was sung by its composer, R. D. Burman, who received his sole Filmfare Award nomination for playback singing for his effort. The song, which is often featured on Bollywood hit song compilations, is based on "Say You Love Me" by Greek singer Demis Roussos. "Mehbooba Mehbooba" has been extensively anthologised, remixed, and recreated.