Festival dijadwalkan dari 17 Mar hingga 22 Mar 2015 (5 hari).
South By Southwest (SXSW) berlangsung di Austin, United States. Berikut adalah alamat lengkap festival: Austin Convention Center, Austin, TX, US 78701
The Weeknd, Melanie Martinez, Travis Scott, LANY, SZA, Stromae, Milky Chance, Miley Cyrus, Mon Laferte, Kaleo, Tove Lo, Wiz Khalifa, Brandi Carlile, Incubus, James Bay, Kevin Gates, Frank Turner, The War on Drugs, Kehlani, Steve Earle, Leon Bridges, X Ambassadors, Elle King, J. Cole, Portugal. The Man, ODESZA, Siddhartha, Shakey Graves, The Maine, Porter Robinson, Ludacris, Bleachers, Kaytranada, COIN, Migos, Enjambre, Blossoms, Angel Olsen, Courtney Barnett, Alvvays, Mary J. Blige, Marina, The Vaccines, Skepta, Future Islands, All Them Witches, Alice Phoebe Lou, Wolf Alice, Robert Earl Keen, July Talk, The Damned, The Zombies, Weyes Blood, Gorgon City, Bomba Estéreo.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
pop
electronic
indie
indie rock
alternative
indie pop
alternative rock
experimental
garage rock
lo-fi
psychedelic
electronica
americana
rnb
psychedelic rock
shoegaze
electropop
post-punk