A musician in a mall impressed shoppers with a rendition of "Everlong" by Foo Fighters on a piano. His name is 𝗚𝗟𝗔𝗨𝗖𝗜𝗢 𝗖𝗥𝗜𝗦𝗧𝗘𝗟𝗢 and he calls his music Piano Rock.