Research on outdoor instruments:
https://www.pinterest.com/explore/skateboard-decor/
https://www.pinterest.com/search/pins/?q=urban%20orchestra
http://room-decorating-ideas.com/wp-content/uploads/2014/07/ideas-for-upcycled-furniture-design-skateboard-deck-chair.jpg
http://freenotesharmonypark.com/wp-content/uploads/2014/02/Freenotes-2014-Catalog-final-no-shadows.pdf
https://www.pinterest.com/childsplaymusic/music-stations-recycled-musical-instruments/
http://www.acousticarts.org.uk/
http://www.soundplay.com/instruments.html
https://www.pinterest.com/pianowoman1067/homemade-outdoor-instruments/
https://www.pinterest.com/adventurousc/outdoor-musical-instruments/
http://chimescompany.com/
http://chimescompany.com/music-park-12.pdf
http://www.naturesinstruments.com/
