DJ Premier has shared a previously unreleased Gang Starr track called ‘Glowing Mic’ – you can listen to it below.Taken from a new instrumental version of the group’s most recent album, ‘One Of The Best Yet’, the new track features a posthumous verse from the group’s late frontman Guru.“There are two versions of a song called ‘Mr. Gang Starr,’ one version was released right after Guru passed away,” Premier told Rolling Stone.