Festivalen ble arrangert fra 19 Jun til 21 Jun 2015 (2 dag(er)).
Best Kept Secret Festival finner sted i Hilvarenbeek, Netherlands. Her er den fullstendige adressen til festivalen: Safaripark Beekse Bergen, Hilvarenbeek, the Netherlands
alt-J, Death Cab for Cutie, A$AP Rocky, First Aid Kit, Of Monsters and Men, Balthazar, Royal Blood, The Tallest Man on Earth, Alvvays, The Vaccines.
De mest populære sjangrene og undersjangrene i den siste utgaven var:
electronic
rock
pop
indie rock
indie
alternative
indie pop
experimental
alternative rock
garage rock
electronica
noise rock
post-punk
psychedelic
punk rock
shoegaze
ambient
new wave
psychedelic rock