FIG. 1 is a front perspective view of an electronic piano showing my new design; FIG. 2 is a rear perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof, with the right side view being a mirror image thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof.