They are from my city Mar del Plata, Argentina and create paper instruments.
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The Original Marplatense group of Musical Theater PAPELNONOS presents its new paper musical instruments at the end of 2012. All of them built by their own members: Older People who have chosen this time to be inspired by the "Marine Fauna".
Papelnonos:
Papel = paper, Nonos = grandparents
In Argentina and in some South American countries, grandparents are called "Nonos." It is an affectionate nickname.
Grandfather "Nono"
Grandmother "Nona"