SELECT T4.instrument FROM Performance AS T1 JOIN Band AS T2 ON T1.bandmate  =  T2.id JOIN Songs AS T3 ON T3.SongId  =  T1.SongId JOIN Instruments AS T4 ON T4.songid  =  T3.songid AND T4.bandmateid  =  T2.id WHERE T2.lastname  =  "Heilo" AND T3.title  =  "Le Pop"
What instrument did the musician with last name "Heilo" use in the song "Le Pop"?
SELECT T4.instrument FROM Performance AS T1 JOIN Band AS T2 ON T1.bandmate = T2.id JOIN Songs AS T3 ON T3.SongId = T1.SongId JOIN Instruments AS T4 ON T4.songid = T3.songid AND T4.bandmateid = T2.id WHERE T2.lastname = `` Heilo '' AND T3.title = `` Le Pop ''
select t4 . instrument from performance as t1 join band as t2 on t1 . bandmate = t2 . id join songs as t3 on t3 . songid = t1 . songid join instruments as t4 on t4 . songid = t3 . songid and t4 . bandmateid = t2 . id where t2 . lastname = value and t3 . title = value
What instrument did the musician with last name `` Heilo '' use in the song `` Le Pop '' ?