An information storage medium has a first playback unit (music number or
tune) for playing back the audio information and a second playback unit
(AOB) being more fine than the first playback unit (music number), and
one or more pieces of management information (AOBI) each pertaining to
the second playback unit (AOB) are recorded in a line (arrangement
sequence of AOBI# in music #). Display mode information indicating the
display method (display order/display sequence, display timing) of image
information (IMG_xx.IOB) is described in management information (AOBI# in
music #) recorded at the head position in the first playback unit (music
number) of this management information (AOBI).