Later in 2014 , Babymetal embarked on their first world tour , the Babymetal World Tour 2014 , performing in Paris , Cologne , and in the United Kingdom at the Sonisphere Festival 2014 . They made their debut appearance in the United States on July 27 with a headlining show at The Fonda Theatre in Hollywood . They played Heavy Montréal 2014 in Canada on August 9 alongside Metallica and Slayer , and also performed at Summer Sonic 2014 in Japan on the Mountain Stage with bands such as Avenged Sevenfold and Megadeth . Babymetal was also the opening act to five of Lady Gaga 's concerts in her " ArtRave : The Artpop Ball " 2014 tour in August along the western United States . Babymetal also released their second live album '' Live : Legend 1999 & 1997 Apocalypse '' on October 19 , 2014 , featuring their live performances at both the NHK Hall and at Makuhari Messe Event Hall from 2013
Babymetal World Tour 2014
Babymetal World Tour 2014
Babymetal