Twin Octave Mandolins
Barton Hollow
Chris Verhoeven and Filippo Morelli

Twin Octave Mandolins built side by side in the hands of luthiers Todd Stock and Filippo Morelli. Chris Verhoeven (right) and Filippo Morelli (left) playing, “Barton Hallow” by the Civil Wars.

See this octave mandolin in the gallery.