Morgan Wallen’s music has begun to return to country radio stations in the US after he was given a four-month ban, it has been reported.The musician was blocked from being played by major radio networks after a video surfaced online of him using a racial slur.Now, nearly four months after that ban was put in place, Wallen’s music is being broadcast on stations owned by the likes of iHeartMedia, Cumulus Media, Cox Media and TownSquare Media.