Festival dijadwalkan dari 11 Jun hingga 14 Jun 2009 (3 hari).
Bonnaroo Music Festival berlangsung di Manchester, United States. Berikut adalah alamat lengkap festival: Great Stage Park, Manchester, Tennessee, U.S
Zac Brown Band, Bon Iver, Snoop Dogg, Bruce Springsteen, Coheed and Cambria, Cage the Elephant, Band of Horses, Erykah Badu, Ani DiFranco, Portugal. The Man, Rodrigo y Gabriela, Elvis Costello, Russian Circles, Wilco, Nine Inch Nails, Phoenix, Yeah Yeah Yeahs, Jimmy Buffett, Phish, Nas.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
folk
pop
indie
alternative
indie rock
alternative rock
americana
experimental
indie pop
acoustic
folk rock
psychedelic
stand-up
electronica
indie folk
instrumental
bluegrass
comedy