We claim the ornamental design for a instructional drum music practice device, as shown and described.
FIG. 1 is a perspective view of the instructional drum music practice device.
FIG. 2 is a front elevational view of the instructional drum music practice device,
FIG. 3 is a top plan view thereof;
FIG. 4 is a top plan view thereof, showing directional arrows for environmental purposes; and,
FIG. 5 is a perspective view thereof, showing a music student using the device with drumsticks for enviromnental purposes.
The broken, dashed lines, in FIGS. 4 and 5, illustrating directional arrows, drumsticks and a person, are shown for environmental purposes and form no part of the claimed design.