One•Two•Three / The Matenrou Show (One•Two•Three/The 摩天楼ショー; One•Two•Three / The Skyscraper Show) is the 50th single of Morning Musume. It was released on July 4, 2012, and Single V was released on July 25, 2012. The single is released in 10 editions: 1 Regular Edition, 6 Limited Editions, 1 Single V and 2 Event Vs. The Limited A and B contains the solo song by the 6th Generation, the Limited C and D features the solo song by the 9th Generation, and the Limited E and F features the solo song by the 10th Generation. A special box set including all editions of the single and a ticket to a group picture event was also released.