'A Star Is Born' hits theaters this Friday, October 5 as the fourth iteration of the classic film first released in 1937. The movie musical stars Bradley Cooper as an aging rock musician and Lady Gaga as a bright young star and Cooper’s love interest. The lead single for the 'A Star Is Born' soundtrack, titled “Shallow,” is written by Gaga, Mark Ronson, Anthony Rossomando, and Andrew Wyatt, with production by Gaga and Benjamin Rice. The song has already shot to the top of the iTunes singles chart, and is expected to hit the Billboard Hot 100 in the coming weeks.