What is this music about · From Zero to Mozart

Before you choose a fingering, before you plan a bowing, before you decide where the vibrato goes — ask one question: what is this music? A march? A lament? A dance? A lullaby? A joke? A prayer? A storm? That single answer decides everything downstream.

The 18th-century word for it: Affekt

Classical-era musicians talked about the affect of a piece — the one governing feeling it expresses. C.P.E. Bach wrote that a player "must himself be moved" to move the listener; Quantz and Leopold Mozart said the same. You can't play a lament convincingly while thinking about your fourth finger — you have to know it's a lament and let that colour every decision.

Character → choices

If it's a…	tempo	articulation	vibrato	colour	dynamic shape
march	steady, firm	detached, marked	narrow	core, near the bridge	level, decisive
lament	slow	legato, sustained	wide, slow	covered, veiled	ebbing away
dance	lively, with lift	light, springing	light	bright, clear	buoyant
lullaby	gentle, unhurried	smooth	narrow, quiet	warm, soft	very soft, still
hymn / prayer	broad, even	sustained	slow, even	full, warm	arch to a climax
scherzo / joke	quick	crisp, pointed	little or none	bright	sudden contrasts

The table isn't a rulebook — it's a starting point. But notice: every other decision in this stage (vibrato width, rubato, colour, the agogic accent) has a column here. Character is the thing they all serve.

One phrase, two characters

80 bpm

A plain phrase. Play it as a march: firm, detached, steady, narrow vibrato, near the bridge. Then play it as a lullaby: slow, smooth, hushed, narrow soft vibrato, warm colour. Same eleven notes, two completely different pieces of music. Playback is neutral — the character is the choice you bring.

Try it

Try

Take any tune you play. Say its character out loud in one word. Then make three concrete choices that serve that word — a tempo, a colour, a vibrato width — and play it that way. Then pick the opposite character and do it again. The tune should sound like two different pieces.

The usual mistake

Skipping the question entirely — going straight to the notes and the fingering — so everything you play comes out the same, "correct" and characterless. Or picking a character and then not following through, so the idea is "lament" but the playing is still a neutral run of notes.