<!ELEMENT	tracklist		(track*, interpret*, company*, album*)>

<!ELEMENT	track			(name, track_refs, length, review*)>
<!ATTLIST	track		id	ID      #REQUIRED
				style	 (Ragga|Dub|Rock|Funk|Dancehall|Triphop) "Rock">
<!ELEMENT	name			(#PCDATA)>
<!ELEMENT	track_refs		EMPTY>
<!ATTLIST	track_refs	album_ref	IDREF	#IMPLIED
		                interpret_ref	IDREF	#IMPLIED>
<!ELEMENT	length			(#PCDATA)>
<!ELEMENT	review			(#PCDATA | link)*>
<!ELEMENT	link			(#PCDATA)>
<!ATTLIST	link	ref	IDREF	#IMPLIED>

<!ELEMENT	album			(name, year)>
<!ELEMENT	year			(#PCDATA)>
<!ATTLIST	album		id	ID #REQUIRED
				company_ref     IDREF  #IMPLIED>

<!ELEMENT	company			(name, address?)>
<!ATTLIST	company		id	ID #REQUIRED>
<!ELEMENT	address			(street, town, country)>
<!ELEMENT	street			(#PCDATA)>
<!ELEMENT	town				(#PCDATA)>
<!ELEMENT	country			(#PCDATA)>

<!ELEMENT	person			(firstname?, name, instrument*)>
<!ELEMENT	firstname		(#PCDATA)>
<!ELEMENT	instrument		(#PCDATA)>
<!ATTLIST	person gender		(male|female) "female">

<!ELEMENT	interpret		(band | soloartist)>
<!ATTLIST	interpret	id	ID	#REQUIRED>
<!ELEMENT	band			(name, person+)>
<!ELEMENT	soloartist		(person)>