At the 56th Annual Grammy Awards in January 2014 , Metallica performed " One " with Chinese pianist Lang Lang . In March 2014 , Metallica began a tour called " Metallica By Request " , in which fans request songs for the band to perform . A new song , titled " Lords of Summer " was written for the concerts and released as a " first take " demo in June 2014 . In June 2014 , the band headlined the Glastonbury Festival in an attempt to attract new fans . Ulrich said , " We have one shot , you never know if you 'll be invited back " . In November 2014 , Metallica performed at the closing ceremony of BlizzCon 2014 . In January 2015 , Metallica announced a " Metallica Night " with the San Jose Sharks , which featured a Q&A session with the band and a charity auction benefiting the San Francisco Bay Chapter of the Sierra Club , but no performances . They were announced to headline Lollapalooza in March 2015 , returning to perform there for the first time in 20 years . On May 2 , 2015 , Metallica performed their third annual Metallica Day at AT&T Park . Metallica were also announced to play at X Games for the first time at X Games Austin 2015 in Austin , Texas . On June 14 , 2015 , Hetfield and Hammett performed The Star-Spangled Banner live via electric guitars prior to game 5 of the NBA Finals between the Cleveland Cavaliers and Golden State Warriors at Oracle Arena in Oakland , California . In late October , the band unveiled a new website with an introduction from Ulrich containing footage from the studio of the band working on new material . On November 2 , Metallica were announced to play " The Night Before " Super Bowl 50 at AT&T Park . Metallica announced they would be opening the U.S. Bank Stadium on August 20 , 2016 , with Avenged Sevenfold and Volbeat as support
56th Annual Grammy Awards
56th Annual Grammy Awards
Metallica