It’s kind of appropriate that Jurassic World, a CGI-addled brute of a movie afflicted with nostalgia for the previous films in the franchise, would inspire fans to buy John Williams’s original theme from Jurassic Park. Williams’s theme has hit No. 1 on Billboard’s Classic Digital Songs, after Jurassic World opened to monstrous, record-killing numbers. Michael Giacchino’s score for Jurassic World sits at No. 6 on the Soundtrack charts, while Williams’s score for Jurassic Park is at No. 11. Listen to Williams’s lovely theme below: