I try it via serial shell - without real success:

empeg:/empeg/bin# rwm
empeg:/empeg/bin# rm /drive0/var/database
empeg:/empeg/bin# rm /drive0/var/playlists
empeg:/empeg/bin# rm /drive0/var/tags
empeg:/empeg/bin# exit
logout
Shell exit
Starting player
player.cpp : 602:empeg-car 3.00-alpha3 2003/07/02.
! tags.cpp : 61:Failed to open tags (0xc0041002).
LAC construct 0x4018a008
VM: killing process player
buffermem : 331776
page_cache_size : 430
nr_free_pages : 39
num_physpages : 4096
Restored terminal settings
Remounting first music partition read-only
Remounting second music partition read-only
Abnormal player termination
Player received signal 9
Starting bash.
empeg:/empeg/bin#

The last line in display is "Loading visuals..."