2) Did you install libid3tag and libmad? You could try ldd /usr/local/lib/moc/decoder_plugins/libmp3* to find what's missing. 3) What term are you using? Enter key fix was for osso-xterm which is generating somewhat non-standard. Please, try to remove ENTER key mapping (mocp will use the default). Also you may try "go = ENTER ^j".