This music is composed by John WilliamsRelative level of fame is: 68051
Raiders of the Lost Ark: Original Motion Picture Soundtrack is the film score to the 1981 Steven Spielberg film, Raiders of the Lost Ark.
The music was composed and conducted by John Williams, and performed by the London Symphony Orchestra. Orchestrations were done by Herbert W. Spencer with additional orchestrations done by Al Woodbury. The score was released by Columbia Records in June 1981. The soundtrack received an Academy Award nomination for Best Original Score.
https://en.wikipedia.org/wiki/Raiders_of_the_Lost_Ark_(soundtrack)