Greatest Hits is the biggest selling title in the band's illustrious catalog, with sales surpassing twelve million copies since its release. The album contains 19 classics including "American Girl," "Refugee," "Don't Come Around Here No More," and many others. The collection also features the singles from Tom Petty's solo album Full Moon Fever including "Free Fallin," "I Won't Back Down" and "Runnin' Down A Dream." Two new songs were also featured: "Mary Jane's Last Dance" became one of Petty's most popular songs, reaching #14 on the Billboard Hot 100 and #1 on the Billboard Mainstream Rock Tracks chart. The other new song on the album is a cover of the Thunderclap Newman hit "Something in the Air."