THE IDOLM@STER M@STERS OF IDOL WORLD!!2015 was a two-day live concert event that took place on July 18 and 19, 2015. It was held to commemorate the tenth anniversary of THE iDOLM@STER franchise, included songs and performers from every medium of the franchise at the time, (excluding SideM), and took place at Seibu Prince Dome (now MetLife Dome) in Saitama, Tokorozawa, Japan.

THE IDOLM@STER M@STERS OF IDOL WORLD!! 2015

THE IDOLM@STER 9th ANNIVERSARY WE ARE M@STERPIECE!! was a series of live concert events that took place between August and October of 2014. There were multiple locations, different setlists and cast members for each dates as follows:  Osaka Performance: Intex Osaka (Osaka International Trade Fair Hall) Building 5 in Osaka on August 2nd and 3rd, 2014. Costs 8,910¥ for tickets.  Nagoya Performance: Nippon Gaishi Hall (Nagoya Civic General Gymnasium) in Nagoya, on August 16th and 17th, 2014. Costs 8,910¥ for tickets.  Tokyo Performance: Tokyo Metropolitan Gymnasium in Tokyo on October 4th and 5th, 2014. Costs 9,180¥ for tickets.  The tour was released on Blu-ray on May 13th, 2015.