The ornamental design for an electronicinstrument with keyboard, as shown and described.
FIG. 1 is a perspective view of an electronic instrument with keyboard showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a partially enlarged end view of the cross-section taken along line 9-9 of FIG. 6;
FIG. 10 is a partially enlarged end view of the cross-section taken along line 10-10 of FIG. 6; and,
FIG. 11 is a partially enlarged end view of the cross-section taken along line 11-11 of FIG. 6 with the internal structure simplified.
The broken line portions show unclaimed subject matter only and form no part of the claimed design. The dot-dash broken lines in FIG. 6 are included to show cross-sections only and form no part of the claimed design.