The ornamental design for an electronicmusicalinstrument, as shown and described.
FIG. 1 is a perspective view of an electronic musical instrument showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The evenly spaced lines showing portions of the electronic musical instrument represent unclaimed portions of the claimed design and form no part of the claimed design. The long and short broken lines illustrate the boundaries of the claimed design and form no part of the claimed design. It is understood that the claimed design extends to these boundaries but does not include the boundaries.