"music"=>"vinyl","source:date"=>"2014-09-08"
"musical_instrument"=>"guitar","source:date"=>"2014-09-08"
"email"=>"info@boeijengamusic.com","music"=>"sheet;recorded","name:en"=>"Boeijenga music","name:nl"=>"Boeijenga muziek","operator"=>"Peter van der Zwaag","source:date"=>"2014-09-07"