_get_tracks_for_album_query = new QSqlQuery(db);
_get_tracks_for_album_query->prepare("SELECT id, title, source, count, length FROM tracks WHERE artist_id IN "
"(SELECT id FROM artist WHERE name = :artist_name) AND album_id IN "
_get_tracks_for_album_query = new QSqlQuery(db);
_get_tracks_for_album_query->prepare("SELECT id, title, source, count, length FROM tracks WHERE artist_id IN "
"(SELECT id FROM artist WHERE name = :artist_name) AND album_id IN "