![The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . d is an anonymous 9th-century tract, the earliest of all, De mensura fistularum, giving onlythe proportions of organ pipes. The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . d is an anonymous 9th-century tract, the earliest of all, De mensura fistularum, giving onlythe proportions of organ pipes.](https://c8.alamy.com/comp/2AWNN6E/the-encyclopdia-britannica-a-dictionary-of-arts-sciences-literature-and-general-information-d-is-an-anonymous-9th-century-tract-the-earliest-of-all-de-mensura-fistularum-giving-onlythe-proportions-of-organ-pipes-ms-lat-12949-f-43-paris-biblnat-reproduced-by-buhle-op-cit-p-104-latin-only-8-i-de-fistulis-organicis-introduced-in-a-ms-copy-of-mart-capby-a-bernese-monk-see-a-schubiger-musikal-spicilegien-pp-82seq-reproduced-also-by-buhle-op-cit-beilage-iv-pp-114-116collated-with-a-german-translation-2-theophilus-de-diversartibus-edited-and-translated-2AWNN6E.jpg)
The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . d is an anonymous 9th-century tract, the earliest of all, De mensura fistularum, giving onlythe proportions of organ pipes.
![World Music Week. This week's concepts… National 3 Latin American, Steel Band National 4 African Music, panpipes National 5 Indian, pitch bend, bongo. - ppt download World Music Week. This week's concepts… National 3 Latin American, Steel Band National 4 African Music, panpipes National 5 Indian, pitch bend, bongo. - ppt download](https://images.slideplayer.com/26/8767666/slides/slide_5.jpg)
World Music Week. This week's concepts… National 3 Latin American, Steel Band National 4 African Music, panpipes National 5 Indian, pitch bend, bongo. - ppt download
![In the workshop of the organ builder Schuke Potsdam: organ builder Fritz Schaper pre-stimming the pipes. Photo: MAZ/Michael Hübner, January 1990 [automated translation] Stock Photo - Alamy In the workshop of the organ builder Schuke Potsdam: organ builder Fritz Schaper pre-stimming the pipes. Photo: MAZ/Michael Hübner, January 1990 [automated translation] Stock Photo - Alamy](https://c8.alamy.com/comp/2PYW2RM/in-the-workshop-of-the-organ-builder-schuke-potsdam-organ-builder-fritz-schaper-pre-stimming-the-pipes-photo-mazmichael-hbner-january-1990-automated-translation-2PYW2RM.jpg)