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Looper's Delight
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related to this topic which someone may find interesting. Sorry if it's not: We built a pair of instruments as museum exhibits (toys) that consisted of a cylinder about 2' x 6"D that oerated like a programmable music box. Holes were drilled in 15 columns (rings), 24 holes per column. Pegs could be inserted by the users at any location. Each column related to a note(s) and because of the fixed rotational rate of the cylinder, the tempo was fixed with 24 beats available per measure. I set up the 15 notes in various scales, pentatonic and such, to avoid annoying children with too much chromaticity. This way it's easy to create interesting melodies without any knowlege of music. The user sets up the pegs where the want and then presses a button to make the "OrchestraRoller" rotate. I also added a button that when pressed would add in a harmonized note in another voice. I think we put a Yamaha DB50 card inside one unit and A Roland SCD-15 in the other. The thing rocked on a drum patch. The intention of the exhibit was to demonstrate basic musical elements to children: rhythm, pitch, melody, harmony. One of these is in San Diego and the other is in Texas somewhere, I believe. Really a contraption. I'll hunt around for a foto. tnx, harvey At 04:43 AM 10/19/00 -0300, you wrote: > > >>Anyway, I am very curious about what is happening, and sorry if this >>thread is wearing thin for some of you. I find the singing bowls >>fascinating and fun, and it is my nature to try and figure out how >>things work, especially sound > >oh, we are here to learn. > >Isnt the bowl the oldest looping instrument? >As your hand makes a looping movement it creates a drawn... >Well you can achieve this with a cat, too :-) > >Rich: > >>This discussion made me think of what a bowl would sound like and >>what frequencies could be generated by making some sort of pneumatic >>device that would hold the bowl (small suction cup at the bottom?), >>and spin a dowel around the lip, and you could vary the speed of >>rotation, and the pressure applied to the bowl. > >sure, we can make a lot of mechanically looping instruments still. >A painter friend suggested to make an endless rainmaker: >A circular tube on a bycicle wheel, maybe wind driven. >In the tube there are stones or rice and the walls are fitted with >varying tongues so it keeps changing sound while it turns... you can >nearly compose like for a music box, but its still much more >irregular and softer sounding... >-- > > > ---> http://Matthias.Grob.org > > > http://www.starrlabs.com