Acoustics
Acoustics is the study of waves vibrating in air.
Music
The baseline does not have a verb for playing musical instruments. We start with the Hornbostel—Sachs system, which gives us a topology for classifying instruments in lieu of a schema. We take a cladistic approach: each selbri will designate the most specific Hornbostel—Sachs number which gives a common prefix for all of its culturally-grounded examples, which might not correspond to any particular instrument but will provide a culturally-neutral family of instruments.
| selbri | HS prefix | HS family |
|---|---|---|
| kimbali | (111) | directly struck idiophones |
| janbe | (111.2) | percussion idiophones |
| skilofo, marmiba | (111.212) | percussion sticks |
| glokesi, virbafo | (111.222) | percussion plaques |
| marxaka | (112.1) | shaken idiophones |
| embira | (122.1) | comb idiophones |
| damri | (21) | struck membranophones |
| timpani | (211.11) | kettle drums |
| klavire | (314.122) | true board zithers |
| jgita | (32) | composite chordophones |
| kordu | (412.132) | free-reed aerophones |
| flani | (421) | edge-blown aerophones |
| xagri | (422) | reed aerophones |
| tabra | (423) | trumpets |
| termeni | (531.1) | theremins |
There is one problematic gismu, {pipno}, which conflates many different instruments in an ad-hoc manner. It doesn't give a prefix and I don't think it can be fixed or saved.
I don't have a non-trivial class yet. They all belong to terto'aselbri, where {terto'a} is merely an emitter of pitches. Yes, even idiophones like drums and cymbals emit pitches, merely not ones described by harmonic series.
Notes
We allow {kimbali} to take some responsibilities from {damri}. Otherwise {damri} doesn't even have a single-digit prefix, since it mixes membranophones and idiophones.
{siclu} might not belong here? I guessed it might have prefix (421.1).
Perhaps {te tonga} is the proper path for collecting instruments:
te tonga: t3 emits tone t1 with frequency/pitch t2
What are the units for frequency/pitch?
What are {dansu} and {rilti}?
What is zgike2? An event?