Bob Bain (26 January 1924 – 21 June 2018) was an American guitarist mainly known for his film music contributions, including “Dr.
Zhivago” (1965), where he played the balalaika in the score for certain scenes where “Lara’s Theme” is heard.
[1][2][3] Bain's professional career began in the 1940s playing guitar in popular big band outfits led by Tommy Dorsey and Bob Crosby.
He is also credited with the guitar introduction to the theme from the popular 1950s television private detective series "Peter Gunn".
Bain also contributed guitar on another of Mancini's significant soundtrack albums, the musical score to the movie "Breakfast at Tiffany's", as well as playing on the soundtrack to the television Western series "Bonanza".