Combining parsers to parse Tag attributes

PlaylistGrammerPart2.cs

public static readonly Parser<PlaylistTagAttribute> TagAttributeParser =
   from attribute in AttributeWithQuotesParser
                  .Or(AttributeWithoutQuotesParser)
                  .Or(AttributeWithSingleValueParser)
   select attribute;

public static readonly Parser<List<PlaylistTagAttribute>> MultipleTagAttributesParser =
   from attributes in TagAttributeParser.Many()
   select new List<PlaylistTagAttribute>(attributes);