Simple Things Festival returns this October for their fourth instalment and have today confirmed the opening concert will be headlined by legendary Montreal post-rock band Godspeed You! Black Emperor. Initially formed in 1994, the band has become revered among the greatest purveyors of their widescreen, orchestral strain of rock music, with 2000's Lift Your Skinny Fists Like Antennas to Heaven regarded as one of the genre's definitive landmarks. Armed with this year's superb Asunder, Sweet and Other Distress, the nine-piece will fill the very farthest reaches of Colston Hall's grandiose main room on Friday night.

Brooklyn-based experimental math-rock adventurers Battles head up the main festival bill, they will be joined by Wire, Penguin Cafe, Factory Floor, Dean Blunt, Lone, DJ Funk, Romare, Speedy Ortiz, Liturgy, Lower Dens, Nicole Willis & The Soul Investigators, Chastity Belt, Long Arm, Grumbling Fur, Loyle Carner & Danny L Harle.

DJ-wise the tapestry is equally strong and diverse with soul, Ron Trent, Objekt, Mike Skinner, Hunee, Barnt, Helena Hauff, nd_baumecker, Avalon Emerson &, Discodromo.

The festival takes place across Bristol's most discerning musical spaces including Colston Hall, Lakota, The Firestation, The Coroner's Court and the O2 Academy.

There's a whole host of artists still to be announced including more headliners and, in true Simple Things style, they promise to be far reaching into the musical corners seldom charted in the capital of the West. 2015, and the festival shines ever brighter.