PCPS4SwitchXbox One Sonic Forces main theme song unveiled "Fist Bump," featuring Doug Robb of Hoobastank. Sega has unveiled the vocal version of the main theme song to Sonic Forces, “Fist Bump,” featuring Doug Robb of Hoobastank. Sonic Forces is due out for PlayStation 4, Xbox One, Switch, and PC this holiday.Listen to the theme song below.