// Buried
level thread maps/mp/zm_buried_amb::sndmuseggplay( temp_ent, "mus_zmb_secret_song", 363 );
// Motd
level thread maps/mp/zm_alcatraz_amb::sndmuseggplay( temp_ent, "mus_zmb_secret_song", 170 );
// Die Rise
level thread maps/mp/zm_highrise_amb::sndmuseggplay( temp_ent, "mus_zmb_secret_song", 190 );
// Origins
level thread maps/mp/zm_tomb_amb::sndmuseggplay( temp_ent, "mus_zmb_secret_song", 310 );