text: DROP VIEW vjson_sets_per_setlist;
  CREATE VIEW vjson_sets_per_setlist
  AS
  SELECT s.id as setlist_id, json_object(
  	'setlist_id', s.id,
  	'setlist_name', s.name,
  	'band_id', s.band_id,
  	'details', json_group_array(vsps.details)
  	) as details
  FROM setlists s
  LEFT JOIN sets2setlists s2s
  ON s.id = s2s.setlist_id
  LEFT JOIN vjson_songs_per_set vsps
  ON vsps.set_id = s2s.set_id
  LEFT JOIN bands b
  ON b.id = s.band_id
  GROUP BY s.id