System of a Down – Question! (piano cover) Mai 9, 2016 Cover, Cover Metal, Cover Question!, Cover Rock, Cover System Of A Down, Mesmerize, Mezmerize, This is my take on the song, I hope you like it! Like 0 Thanks! You've already liked this « System of a Down, Toxicity, Ukulele toddler cover » System of a Down : B.Y.O.B. – drum cover