GetCopyright
virtual const char* GetCopyright() const = 0;
return fItem->GetTrackSupplier()->GetCopyright(copyright);
status_t GetCopyright(BString* copyright);
&& fController->GetCopyright(&info) == B_OK && !info.IsEmpty();
virtual status_t GetCopyright(BString* copyright);
virtual status_t GetCopyright(BString* copyright) = 0;
copyright << GetCopyright();