Or­ches­tral Per­cus­sion

Xylophones
Xy­lo­phones
Metallophones
Metal­lo­phones
Marimbas
Marim­bas
Vibraphones
Vi­bra­phones
Glockenspiels
Glock­en­spiels
Crotales
Crotales
Tubular Bells
Tu­bu­lar Bells
Timpani
Tim­pani
Orchestral Cymbals
Or­ches­tral Cym­bals
Orchestral Drums
Or­ches­tral Drums
Orchestral Percussion
Or­ches­tral Per­cus­sion
Asian Instruments
Asian In­stru­ments
Miscellaneous Orchestral Percussion
Mis­cel­laneous Or­ches­tral Per­cus­sion
Orchestral Accessories
Or­ches­tral Ac­cessor­ies
Beaters
Beat­ers
Orchestral Percussion Accessories
Or­ches­tral Per­cus­sion Ac­cessor­ies
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Which of the following is considered an untuned instrument?
Give the right answer and have a chance to win 1x Millenium R1 12" Metronome Practice Pad worth 47 €.