public void LoadQuery(string query)
        {
            var qb = QueryBuilderStore.Get(instanceId);

            if (query == "artist")
            {
                qb.SQL = "Select artists.ArtistId, artists.Name From artists";
            }
            else
            {
                qb.SQL = "Select tracks.TrackId, tracks.Name From tracks";
            }

            QueryBuilderStore.Put(qb);
        }