The bands first hall concert, Wagakki Band Dai Shinnen Kai 2015 (和楽器ãƒãƒ³ãƒ‰å¤§æ–°å¹´ä¼š2015), was held at Shibuya Public Hall in January 2015. Their first independent overseas concert, Taipei Dayanchanghui (å°åŒ—大演唱会), was held in Taiwan in May of that year. Also in 2015, Wagakki Band headlined a sold-out concert at Club Nokia in Los Angeles in conjunction with Anime Expo. The Vocaloid IA software persona was the opening act, also in her first North American live show. They appeared in their first television commercial that year, for Kirin Mets. The album Yasou Emaki (å…«å¥çµµå·) was released in September 2015 and reached number one on the weekly Oricon chart.
In May 2019, Wagakki Band performed as part of Japan Night 2019 in New York with Hyde, Misia, and Puffy Amiyumi. The EP React, featuring four new songs, was released in December 2019.
On February 16, 2020, the band performed their Premium Symphonic Night Vol.2 concert at Osaka-jÅ Hall, featuring a full orchestra and a special guest appearance by Evanescence lead vocalist Amy Lee. Lee also collaborated with the band in recording the single Sakura Rising. The bands sixth full-length album, Tokyo Singing, which includes the collaboration with Amy Lee, was released in October 2020.