protected function setInAlbumAttribute($items)
    {
        if ( ! is_array($items))
        {
            return $items;
        }

        //Check if not multidimensional array (for backward compatibility)
        if((count($items) == count($items, COUNT_RECURSIVE)))
        {
            return $this->getNestedContext(MusicAlbum::class, $items);
        }

        //multiple albums
        return array_map(function ($item) {
            return $this->getNestedContext(MusicAlbum::class, $item);
        }, $items);
    }