Problem Amethyst Kelly, Savan Kotecha, Amethyst Amelia Kelly, Iggy Azalea, Max Martin, Ariana Grande Tenor, Bratsche, Klavier, Bariton, Orgel, Tenorsaxophon Volksmusik, Dance-Pop, Pop Rock, Pop, Rhythm & Blues Akkorde, Tabulatur, Transposition, MP3, MIDI