Rockville 76 Key Keyboard Case w/Wheels+Trolley Handle For Yamaha Piaggero NP-31 - Rockville Audio
HQRP Elastic Dust Cover Case w/ Bag (Gray) for Yamaha DGX-650 DGX-650B ; Piaggero NP-31 NP-11 NP-V60 NP-V80 Electronic Keyboard Digital Piano + HQRP Coaster
How to Repair Dead Keys on Yamaha NP-31 Piaggero - iFixit Repair Guide
HQRP Keyboard Dust Cover (Black) for Yamaha MOTIF XF7, Piaggero NP-31 NP-11 NP-V60 NP-V80, S70-XS, Tyros-5, YPG-235, DGX-300, YPG-225 Digital Piano Synthesizer - Walmart.com
Yamaha Piaggero NP-31 76-Key Compact Keyboard (NO POWER SUPPLY) • Available from ChurchGear