Four Hands & a Guitar Take on Katy Perry

Four Hands & a Guitar Take on Katy Perry, Four Hands On Guitar Cover Katy Perry, Video: While Donovan Kirkpatrick & Patrick Goble look nothing like pop star Katy Perry, they do play a great rendition of her hit, 'Firework.' Watch them shred. Musicians Donovan Kirkpatrick and Patrick Goble play one guitar and perform an entertaining cover of Katy Perry’s hit song "Firework".