Superstar Nigerian Producer Killertunes Collaborates With Uk Stars Not3S And BZ For Massive New Single ‘Shy’ On the back of recent collaborations with afrobeats legend Wizkid, and Latin music icon J Balvin, award-winning Nigerian producer, and songwriter KILLERTUNES has linked up with UK rap trailblazer NOT3S, and fast-rising South London artist BZ for a massive new single titled ‘SHY’. Serving as the first single from his forthcoming sophomore album KillaXtra 2, ‘Shy’ is a perfect fusion of UK rap and afropop music that reveals the new musical universe that Killertunes is exploring this year.