Olimpus Music LTD - Succeeding the popular YDP-S52, the Yamaha YDP-S54 is from Yamaha's Arius line of pianos—ones that entry level digital piano players can enjoy, but robust enough that one with
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Yamaha YDPS54 88-Note, Weighted Action Console Digital Piano - Black
Amazon.com: Yamaha YDPS54WH Arius Series Slim Digital Console Piano, Satin White : Musical Instruments