US D469797 S1
FIG. 1 is a top view of an in-line keyboard for musical instrument showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof; and,
FIG. 5 is a rear view thereof.
The broken line in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design.