acoustid=> select * from artist_credit_name where artist_credit in (832431, 44954);
 artist_credit | position | artist |  name  | join_phrase 
---------------+----------+--------+--------+-------------
         44954 |        0 |  44954 | 590816 | 
        832431 |        0 |  44954 | 590816 | 
(2 rows)

acoustid=> select * from artist_credit where id in (832431, 44954);
   id   |  name  | artist_count | ref_count |            created            
--------+--------+--------------+-----------+-------------------------------
  44954 | 590816 |            1 |      3471 | 2011-05-16 16:32:11.963929+00
 832431 | 590816 |            1 |       280 | 2011-06-21 18:59:35.986056+00
(2 rows)