Enter to Win a Roland GR-55 Guitar Synth Signed by Slash Posted 10/31/2013 by Guitar World Staff Continue Reading Roland is giving away a GR-55 guitar synth signed by Slash! The only catch is the contest runs through TODAY, October 31, so you should enter ASAP. You can enter the contest RIGHT HERE! For more about the Roland GR-55, visit rolandus.com. Good luck! Artists: Slash Tags: Slash, Roland Up Next Next Article Whitechapel Premiere "Elitist Ones" Music Video, Release New Album, 'Mark of the Blade'