perception differences based on genetics. Look at how people with various types of color blindness see the world:
https://www.color-blindness.com/coblis-color-blindness-simulator/
How sound effects are used in music:
MIA, this is the song I heard while we were waiting on a concert to let in. I couldn’t hear the music but I could hear the FX:
Kraftwerk using samples of bicycles in Tour de France:
There’s also a link to genre conflation in MIA’s work. She’s not from an American city where she grew up with hip-hop, she found a lot of different genres of music she liked and tied them all together. Here’s a video shot in Morocco of Saudis (and others) drifting and marching in the street:
Why are these machines so quiet? Why doesn’t it sound like a Chuck E Cheese or an arcade?
A mapping of pitches to frequencies https://pages.mtu.edu/~suits/notefreqs.html
It’s easy to create sounds without speakers:
- music made with steppers
- A “top ten” list of arduino music projects
- historical tube doorbells and someone what lost their mind
Start looking at wider range of interaction with sites like Buxton’s collection of interaction design devices:
https://www.microsoft.com/buxtoncollection/browse.aspx