based on an operation signal in accordance with the touch panel operation of the lcd panel 14 when deciding it is moved the routine proceeds to step st 22 the cpu 17 changes the reproduction order of the music data based on the dropped position after dragging at step st 21 the cpu 17 decides whether or not a delete instruction is received to the title name data displayed in the reproduction list section 61 when deciding it is received the routine proceeds to step st 24 the delete instruction may be generated by dragging the title name data to be deleted while the cursor image 59 is designated on the reproduction list section 61 in the left direction of the screen or by dragging and dropping the title name data on a dust box image while a predetermined dust box is displayed on the reproduction screen disp 1 the cpu 17 deletes the title name data to which the delete instruction is received at step st 23 from the reproduction order list in this example of the operation the case where the artist image ar_ 1 and the album image al_ 1 are designated in the reproducing music attribute section 62 shown in fig4 will be explained fig8 is a flow chart for illustrating the example of the operation the cpu 17.