SELECT t2.firstname FROM Performance AS t1 JOIN Band AS t2 ON t1.bandmate  =  t2.id JOIN Songs AS T3 ON T3.SongId  =  T1.SongId GROUP BY firstname ORDER BY count(*) DESC LIMIT 1
Find the first name of the band mate that has performed in most songs.
SELECT t2.firstname FROM Performance AS t1 JOIN Band AS t2 ON t1.bandmate = t2.id JOIN Songs AS T3 ON T3.SongId = T1.SongId GROUP BY firstname ORDER BY count ( * ) DESC LIMIT 1
select t2 . firstname from performance as t1 join band as t2 on t1 . bandmate = t2 . id join songs as t3 on t3 . songid = t1 . songid group by firstname order by count ( * ) desc limit value
Find the first name of the band mate that has performed in most songs .