The ornamental design for a musicalinstrument, as shown and described.
FIG. 1 is a top, front, right perspective view of a musical instrument, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is an enlarged left side view thereof; and,
FIG. 7 is an enlarged right side view thereof.
The claimed design includes a mirror image design of a musical instrument for the left-handed. The line shading and stippling shading shown in the Figures represents a contrasting appearance.
The dash-dash broken lines shown in the drawings illustrate features of the musical instrument that form no part of the claimed design. The dot-dash broken lines define the unclaimed boundary of the claimed design.