refined control options.

app.py

@@ -50,8 +50,8 @@ OUTPUT_PREFIX = '✨ '			# ✨ session outputs
 # vocabulary + values seen in examples.
 _STYLES = json.load(open(os.path.join(ASSET_DIR, 'styles.json'), encoding='utf-8'))
 COMPOSERS = _STYLES['composers']
+PERIODS = _STYLES['periods']
 GENRES = _STYLES['genres']
-INSTRUMENTS = _STYLES['instruments']
 
 _GEN = None
 
@@ -184,17 +184,17 @@ def load_library ():
 _STYLE_LINE_RE = re.compile(r'^%(?!%).*$')
 
 
-def sync_prompt (composer, genre, instrument, current):
+def sync_prompt (composer, period, genre, current):
 	'''Rewrite the metadata-prompt text from the three style dropdowns.
 
 	The model is trained on the `--styles-in-comments` format: style is carried by
 	leading `%<value>` comment lines, ordered period/composer/instrumentation (matching
-	abc2lilylet's catalogCommentLines: %<genre> / %<composer> / %<instrument>). These
+	abc2lilylet's catalogCommentLines: %<period> / %<composer> / %<genre>). These
 	are regenerated from the dropdowns and placed at the top; any other line the user
 	typed (e.g. a `[staves "..."]` header) is preserved below in its original order.
 	'''
 	lines = []
-	for value in (genre, composer, instrument):
+	for value in (period, composer, genre):
 		value = (value or '').strip()
 		if value:
 			lines.append(f'%{value}')
@@ -485,9 +485,9 @@ def build_ui ():
 						with gr.Row():
 							composer = gr.Dropdown(label='composer', choices=COMPOSERS, value='',
 								allow_custom_value=True)
-							genre = gr.Dropdown(label='genre', choices=GENRES, value='',
+							period = gr.Dropdown(label='period', choices=PERIODS, value='',
 								allow_custom_value=True)
-							instrument = gr.Dropdown(label='instrument', choices=INSTRUMENTS, value='',
+							genre = gr.Dropdown(label='genre', choices=GENRES, value='',
 								allow_custom_value=True)
 					prompt = gr.Textbox(label='Metadata prompt', lines=3, value='',
 						placeholder='extra metadata lines, e.g.\n[key "C major"]\n(optional)')
@@ -542,8 +542,8 @@ def build_ui ():
 		demo.load(None, None, None, js=_JS_HELPERS)
 
 		# style dropdowns -> keep the metadata-prompt text box in sync
-		for field in (composer, genre, instrument):
-			field.change(sync_prompt, inputs=[composer, genre, instrument, prompt], outputs=[prompt])
+		for field in (composer, period, genre):
+			field.change(sync_prompt, inputs=[composer, period, genre, prompt], outputs=[prompt])
 
 		# Generate: a single click dep that runs the gate js (SVG-only, player
 		# hidden) and then the streaming model fn — `js=` on a backend click runs

assets/styles.json

@@ -18,6 +18,6 @@
 		"Ravel, Maurice",
 		"Shostakovich, Dmitry"
 	],
-	"genres": ["Baroque", "Classical", "Romantic", "Modern"],
-	"instruments": ["Keyboard", "Choral", "Chamber"]
+	"periods": ["Baroque", "Classical", "Romantic", "Modern"],
+	"genres": ["Keyboard", "Choral", "Chamber", "Orchestral"]
 }

web/score-player.js

@@ -495,6 +495,12 @@
 		});
 
 		initVerovio();   // warm up early
+		// Start loading the sound library (FluidSynth GM soundfont, ~40MB) right away
+		// at page mount rather than deferring to the first play — the AudioContext is
+		// created suspended (no autoplay-policy violation) and the fetch/worklet load
+		// proceed in the background, so the library is usually ready before the user
+		// hits play. initAudio() is idempotent; buildPlayer() later just reuses it.
+		initAudio();
 	}
 
 	// Public API consumed by app.py's injected glue.