uint32_t year () const;
std::string grouping () const;
+ std::string barcode () const;
std::string title () const;
std::string subtitle () const;
void set_year (uint32_t);
void set_grouping (const std::string &);
+ void set_barcode (const std::string &);
void set_title (const std::string &);
void set_subtitle (const std::string &);