Music Derby - Make: Community
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Music Derby

By Tetsuji Katsuda

Music Derby is a game in which sound of music runs seven robots. The player predicts which robot will go the farthest when a tune is over. Music Derby can visualize the frequency of occurrence of notes on the scale in a song.

Type: Artistic

Website: http://www.asahi-net.or.jp/~HB9T-KTD/music/English/Research/MediaArt/music_darby_robot.html

State: Kyoto Pref.
Country: Japan
Affiliation: None

Social:

What inspired you or what is the idea that got you started?

I'm interested in musical scales.
I aimed to visualize the frequency of sound appearance in the form of a game.

What is your project about and how does it work?

Music Derby is a game in which sound of music runs seven robots.
The player predicts which robot will go the farthest when a tune is over.
A single pitch is assigned to each of the four-legged walking robots that imitate animals such as deer, rabbits, and mice.
For example, the note C is assigned to deer, the note D is assigned to rabbits, and note E is assigned to mice.
When the note G is played, the pig moves forward.
When the note F is played, the giraffe moves forward,
and when the note E is played, the mouse moves forward.
If twinkle twinkle little star is played in C major key, which animal will go the farthest at the end of the song?
In C major, C is the tonic note, so you might expect that the deer assigned to C goes the farthest.
But in reality, the pig assigned to G wins.
This is because G appears most frequently on twinkle twinkle little star.
On the contrary, the cat never moves because B never appears.
The game visualizes the frequency of notes on the song.

What did you learn by doing this project?

I learned how to detect the pitch of a sound and a robot that walks on four legs.

What impact does your project have on others as well as yourself?

The structure of music can be visualized using a robot.

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