SELECT instrument FROM instruments AS T1 JOIN Band AS T2 ON T1.bandmateid  =  T2.id WHERE T2.lastname  =  "Heilo"
What are all the instruments used by the musician with the last name "Heilo"?
[Schema (values) (types)]: | music_2 |  Songs : songid (text) , title (number) | Albums : aid (text) , title (number) , year (text) , label (number) , type (text) | Band : id (text) , firstname (number) , lastname (text) | Instruments : songid (text) , bandmateid (number) , instrument (text) | Performance : songid (text) , bandmate (number) , stageposition (text) | Tracklists : albumid (text) , position (number) , songid (text) | Vocals : songid (text) , bandmate (number) , type (text);