[Plugin: MP3-jPlayer] Player doesn't appear in sidebar

When using the template tags in sidebar.php, the music plays but the player itself doesn’t appear.

The player appears if I use the same template tags in page.php.

Example here:
http://www.dancersforevents.hk/show-themes/cabaret/
(Player is in right-hand sidebar, you can see it in the source, music plays, but it’s invisible).

Any ideas?

http://ww.wp.xz.cn/extend/plugins/mp3-jplayer/