Tinchy Stryder ft N-dubz - number one *Official video* Number 1 is a single by British grime music artist Tinchy Stryder, it was both digitally and physically released in the United Kingdom on April 20, 2009. The song was written by Tinchy Stryder, Dappy (N-Dubz) and Fraser T Smith and produced by Fraser T Smith. The song only features Dappy from N-Dubz but the video holds guest appearances from Tulisa and Fazer from N-Dubz. ah uh uh oh ah uh uh oh ah uh uh oh ah uh uh oh (na na naii) ah uh uh oh ah uh uh oh (Tinchy Stryder) ah uh uh oh ...From:KeepITUpppViews:0 0ratingsTime:03:33More inMusic