Everything we can't describe in music
Timbre—the quality that makes a violin sound different from a saxophone or a human voice unique—emerges here as a central but hard-to-define aspect of music that traditional theory and notation largely sidestep. Commenters explore how timbre relates to instrument design, performance technique, room acoustics and digital synthesis, debate metaphors like “terroir,” and point to psychoacoustics and spectral analysis as partial but incomplete ways of describing it. The thread also touches on genre conventions (from EDM to rap to metal), expressive limits of synthesized versus acoustic instruments, and why understanding timbre may be important for both future musical tools and broader models of human perception.
Analogy and Metaphors for Timbre
- Strong debate over comparing timbre to “terroir”:
- Critics say terroir is largely fixed pre-production, while timbre is highly controllable in performance.
- Supporters argue both are emergent from many interacting physical factors (materials, environment, technique) and partly outside immediate control.
- Several conclude it’s an evocative but ultimately imperfect metaphor.
What Timbre Is (and How to Describe It)
- Common framing: pitch = frequency; timbre = spectral structure + its evolution over time.
- Multiple comments stress:
- Harmonic content and relative overtone strength.
- Envelope/ADSR, especially the attack transient.
- Time-varying behavior of different harmonics.
- Classical work (e.g., Helmholtz) and later books are cited to argue timbre is not “immune to measurement,” even if mapping spectra to perceptual labels is still hard.
- Some mention multi-dimensional models (up to ~10 dimensions), though these dimensions are not clearly listed in the thread.
Perception, Cognition, and “Illusion”
- Schoenberg’s idea of “tone-color melodies” is referenced as anticipating timbre-focused composition (e.g., in EDM).
- One line of discussion treats music as a special “illusion” that reveals properties of human cognition; another pushes back, arguing music is not an illusion but a real relational structure experienced through bodies and minds.
- Cross-modal pattern perception (e.g., mapping rhythms to visual patterns) is highlighted as hinting at shared abstract representations across senses.
Timbre, Genre, and Instruments
- Genre is seen as partly defined by a palette of acceptable timbres; electronic and pop music are singled out for especially active use of timbral change.
- Debate over synthesized vs acoustic instruments:
- Some argue no synth yet matches the expressive nuance of violin/sax/piano.
- Others counter that expressive controllers (MPE, specialized keyboards) and physical modeling make “anything possible” in principle, while also noting that infinite options can be a creative burden.
- Electric guitar “tone is in the fingers” is affirmed; body wood effects for electrics are disputed.
- Banjo’s emotional range (e.g., in games and murder ballads) is used to challenge claims it “can’t sound depressing.”
Tools, Research, and Practice
- Historical and modern timbre analyzers (mechanical and digital) are mentioned.
- ML-based timbre tools, DAW integrations with LLMs, and specific software (e.g., pitch/timbre editing) are referenced as active areas.
- Personal anecdotes (nail shaping on classical guitar, weather effects on violins, attack-sampling synthesis tricks) underline how small physical changes strongly affect timbre.