Philosophy of Music

What it asks

A passage of music is heard as sad. Almost every listener agrees, across cultures more often than not, and the music is not about anything, does not assert anything, and has no feelings.

That is the problem of musical expressiveness and it is the field's central question. One answer is that the music resembles the way a sad person moves and sounds - slow, low, falling - so we hear it the way we read a face. Another is that it arouses the feeling in the listener. A third is that we hear a persona in the music, a fictional agent whose feeling it is.

The second question is about what a piece of music IS. Not the score, which is instructions. Not any performance, since all of them can be wrong. Not the recording. Something else, and it is hard to say what.

The recurring problems

Expressiveness. Arousal theories struggle because listeners enjoy sad music, which is odd if it makes them sad. Resemblance theories struggle to explain why the resemblance moves anyone. Persona theories work well and require inventing an agent nobody hears.

The ontology of the work. A symphony is a repeatable thing with a composer, an origin and standards for getting it right. What kind of object satisfies all that is genuinely unclear, and it matters for questions about authenticity, arrangement and performance practice.

Absolute music. Music without text or programme is the field's hard case and the reason it exists as a separate branch. Everything explicable by representation is already handled elsewhere.

Why sad music is enjoyable. People deliberately seek out music they know will move them to sorrow. Any theory has to make sense of that, and it is harder than it looks.

How it developed

Ancient thought treated music as ethically potent - Plato regulated the modes because he took them to shape character - and as mathematically ordered, a view running from Pythagoras through the medieval quadrivium.

The eighteenth century's problem was that instrumental music imitates nothing, and imitation was the standard of art. That made absolute music philosophically awkward and, to the Romantics, supremely important for exactly that reason.

Hanslick's essay in 1854 is the founding modern text. It argued that musical content is nothing but sounding forms in motion, and that expressiveness belongs to the music's structure rather than to any feeling communicated. Formalism has been the position everything since has argued with.

The twentieth century added the ontological question, sharpened by recording, which separated performance from occasion for the first time and made it obvious that a work and its instances are different things.

Contemporary work is closely engaged with the psychology of music, and it is one of the few areas where the philosophical and empirical literatures genuinely inform each other.

The positions within it

Formalism; arousal theories; resemblance or contour theories; persona theories; Platonist and nominalist accounts of the musical work. All are in the Schools section.

Where it stands now

Resemblance accounts, refined considerably, are the most widely held, and the empirical work on cross-cultural recognition of musical emotion has supported them more than anyone expected.

The ontological questions have been reshaped by practice. Improvisation, studio production and works that exist only as recordings all fit the classical work-concept badly, and the field has had to admit that much of its framework was built from one tradition's notated repertoire.