Musical Instrument Weekly Blog 04/15/17

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Summary: Music fills our life more than we know it, and music is created by instruments A musical instrument can be virtually anything that makes noise, but the most common are guitars, drums, and flutes and each falls into its own family. The instrument families include string, woodwind, and percussion, etc. An instrument is placed in a family, based on the noise it makes, how you play it, and what it's made up of. Guitars are a string instrument because it makes a noise through the vibrations of the strings. As for flutes they fall under the woodwind family because the noise it creates is made with the help of air, whereas drums are part of the percussion family whose instruments create sound through contact. In other words, percussion instruments make noises when they are hit.

S&EP-Using Models: I created a model, in the form on an instrument, that can play 8 notes. The model created was based on the design my team and I created the first day, but following the engineering design process, we went back to iterate. Although we didn't ask any fellow students for input, we refined the model as we learned about the role certain pieces of the instrument had. For instance, we discovered that a block of wood that was drilled atop another would hold better than a tube attached with wire. Also, we saw that using blocks of wood instead of metal pieces gave the music a warmer tone. Finally, we saw that making some metal pieces longer would deepen and lower the pitch and vice versa with shortening it. Altogether, building this musical model helped me understand how pitch can change, and that refining your model is an important component of the engineering design process.

XCC-Cause and Effect: While creating my instrument I discovered many cause and effect relationships, some of which include using rubber bands, certain materials, and positioning of items. To begin with, I noticed that thicker rubber bands had a deeper sound, but when stretched out the pitch became higher. Also, I saw that in order for a metal piece to be strummed in the right key the same amount of pressure had to be placed each time. In addition to that, when there is hardly any pressure the strumming won't create a noise loud enough to be picked up in a recording. Furthermore, the closer pressure was put to the tip of the metal, the higher the pitch was. Lastly, I noticed that bendable metal pieces that had holes had a higher pitch compared to those that didn't. All in all, I observed various cause and effect relationships, all of which helped me build and understand my instrument.

Multiplier: This week I was a mutant, to be more specific a learner because I don't know much about music, but I wanted to learn.

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