<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:include schemaLocation="common-simple-types.xsd" />
    <xs:include schemaLocation="common-complex-types.xsd" />
    
    <xs:complexType name="artist">
        <xs:group ref="artist" />
        <xs:attributeGroup ref="artist" />
        <xs:attributeGroup ref="artistExtended" />
    </xs:complexType>
    
    <xs:complexType name="track">
        <xs:all>
            <xs:element name="artist" type="artist" />
        </xs:all>
        <xs:attributeGroup ref="track" />
        <xs:attributeGroup ref="trackExtended" />
    </xs:complexType>
    
    <xs:complexType name="tracks">
        <xs:complexContent>
            <xs:extension base="list">
                <xs:sequence>
                    <xs:element name="track" type="track" minOccurs="0" maxOccurs="unbounded" />
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>                    
    </xs:complexType>
    
    <xs:complexType name="disc">
        <xs:all>
            <xs:element name="tracks" type="tracks" minOccurs="0" />
        </xs:all>
        <xs:attributeGroup ref="disc" />    
    </xs:complexType>
    
    <xs:complexType name="discs">
        <xs:complexContent>
            <xs:extension base="list">
                <xs:sequence>
                    <xs:element name="disc" type="disc" minOccurs="0" maxOccurs="unbounded" />
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>                    
    </xs:complexType>
    
    <xs:complexType name="album">
        <xs:all>
            <xs:element name="artist" type="artist" />
            <xs:element name="label" type="label" />
            <xs:element name="genre" type="genre" />
            <xs:element name="instruments" type="instruments" />
            <xs:element name="countries" type="countries" />
            <xs:element name="styles" type="styles" />
            <xs:element name="credits" type="credits" />
            <xs:element name="discs" type="discs" />
            <xs:element name="ratings" type="ratings" minOccurs="0" />
			<xs:element name="editorial" type="albumEditorial" minOccurs="0" />
        </xs:all>
        <xs:attributeGroup ref="album" />
        <xs:attributeGroup ref="albumExtended" />
    </xs:complexType>                    
    
    <xs:element name="response">
        <xs:complexType>
            <xs:sequence>
                <xs:group ref="response" />
                <xs:element name="album" type="album" minOccurs="0" />
            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>
