.mp3tag

$trim($num(%track%,2) - $replace(%artist%,Ç,C,À,A,á,a,ä,a,à,a,č,c,ç,c,ď,d,é,e,ě,e,è,e,ë,e,í,i,ï,i,ì,i,ň,n,ñ,n,ó,o,ö,o,ò,o,ô,o,õ,o,ř,r,š,s,ť,t,ú,u,ü,u,ů,u,ý,y,ÿ,y,ž,z,þ,th,ð,d,æ,ae,ƒ,f,Á,A,Ä,A,À,A,Č,C,Ç,C,Ď,D,É,E,Ě,E,È,E,Ë,E,Í,I,Ï,I,Ì,I,Ň,N,Ñ,N,Ó,O,Ö,O,Ò,O,Ô,O,Õ,O,Ř,R,Š,S,Ť,T,Ú,U,Ü,U,Ů,U,Ý,Y,Ÿ,Y,Ž,Z,Þ,TH,Ð,D,Æ,AE,Ƒ,F) - $replace(%title%,Ç,C,À,A,á,a,ä,a,à,a,č,c,ç,c,ď,d,é,e,ě,e,è,e,ë,e,í,i,ï,i,ì,i,ň,n,ñ,n,ó,o,ö,o,ò,o,ô,o,õ,o,ř,r,š,s,ť,t,ú,u,ü,u,ů,u,ý,y,ÿ,y,ž,z,þ,th,ð,d,æ,ae,ƒ,f,Á,A,Ä,A,À,A,Č,C,Ç,C,Ď,D,É,E,Ě,E,È,E,Ë,E,Í,I,Ï,I,Ì,I,Ň,N,Ñ,N,Ó,O,Ö,O,Ò,O,Ô,O,Õ,O,Ř,R,Š,S,Ť,T,Ú,U,Ü,U,Ů,U,Ý,Y,Ÿ,Y,Ž,Z,Þ,TH,Ð,D,Æ,AE,Ƒ,F))