An electronic musical instrument includes a frame and a plate-shaped member attached to the frame. The frame includes a first rib extending in a first direction; a second rib being arranged on a second direction side intersecting the first direction with respect to the first rib and extending in the first direction; a first wall portion extending in the second direction and connecting the first rib and the second rib; a second wall portion facing the first wall portion and extending in the second direction; an extending portion being arranged on the first wall portion and being bendable toward the first direction; a first projecting portion projecting from the extending portion toward the second wall portion; and a second projecting portion projecting from the second wall portion toward the first wall portion.