DESCRIPTION

The default value is Title, unless mode is specified.

The list of available values are:

    Artist
    Availability
    BrowseNode
    BrowseNode
    Condition
    Count
    Count
    Format
    ItemPage
    ItemPage
    Keywords
    Keywords
    Magazines
    MerchantId
    MinimumPrice
    MusicLabel
    Performer
    PostalCode
    Sort
    Sort
    State
    Title