Database structure¶

[Mixin] Rightsholder:
    subject
        interface?
    object
        interface?
    contribution
        interface?
    successor
        interface?
    right
        [List: "Copyright", "Ancillary Copyright"]
    from
        [Date]
    through
        [Date]
    territory
        [-> Country]
    collecting_society
        [-> CollectingSociety]

CreationRightsholder(Rightsholder):
    subject
        [-n-1-> Artist; soft required]
    object
        [-n-1-> Creation; soft required]
    contribution
        [-> Dependant List; soft required
                right == Copyright: "Lyrics", "Composition"
                right == Ancillary Copyright: "Instrument", "Production", "Mixing", "Mastering"]
    successor
        [-n-1-> CreationRightsholder]
    instruments
        [-1-n-> Instrument;
            mandatory if right == Ancillary Copyright and contribution == "Instrument"
            invisible else]


ReleaseRightsholder(Rightsholder):
    subject
        [-n-1-> Artist; soft required]
    object
        [-n-1-> Release; soft required]
    contribution
        [-> Dependant List; soft required
                right == Copyright: "Artwork", "Text", "Layout"
                right == Ancillary Copyright: "Production", "Mixing", "Mastering"]
    successor
        [-n-1-> ReleaseRightsholder]

Creation:
    rightsholders
        [-1-n-> CreationRightsholders]

Release:
    rightsholders
        [-1-n-> ReleaseRightsholders]

Decisions¶

• "Leistungsschutzrecht" = ancillary copyright (neighbouring rights > ancillary copyright)
• All subjects are artists for now. This won't be possible for phonographic rights, as they might be represented by (or transfered to?) Labels, Publishers and probably Parties in general
• CreationContribution is not needed anymore, might be rewritten to CreationRightsholder
• CreationRole is used only for Instruments and should be renamed into "Instrument"
• Territory could also be sets of countries - it is unclear, if the tryton Country Object is meant for that (to decide with Udo)
• Country does not make sense in some cases (e.g. Contribution == "Instrument"), and should be invisible for these cases. It might be, that all ancillary copyright contributions do not make sense, but this needs further specification. For now it is ok to be visible in all cases
• The choice of the collecting society for a tariff category will be made on creation level, not for each creation artist