Net::Amazon::Validate::ItemSearch::de::Classical - valid search indicies for the de locale and the Classical SearchIndex.

The default value is Title, unless mode is specified.

The list of available values are:

    Artist
    Availability
    BrowseNode
    Composer
    Conductor
    Count
    Format
    ItemPage
    Keywords
    Magazines
    MusicLabel
    Orchestra
    Performer
    PostalCode
    Sort
    State
    Title