Phrase mode: count-in click fix, auto-continue sections, BPM widget, live-note staff, 13 new exercises

src/exercises/library/a-minor-arpeggio-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise: A minor broken chords (project contributor, 2026, CC0).
+X:12
+T:A Minor Arpeggio Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:Am
+A, C E C | A, C E A | G, B, D B, | G, B, D G | F, A, C A, | F, A, C F | E, G, B, G, | E, G, B, E |]

src/exercises/library/bb-major-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise in _B major (two flats) (project contributor, 2026, CC0).
+X:18
+T:_B Major Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:_B
+_B, C D _E | F G F D | _B, C D F | G F D _B, | C D _E F | G F _E C | D _E F G | F2 D2 |]

src/exercises/library/c-major-run.abc

@@ -0,0 +1,11 @@
+% Original technical exercise (project contributor, 2026, CC0).
+% C major, steady quarters — a gentle reading warm-up.
+X:10
+T:C Major Run
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:C
+C D E F | G A B c | c B A G | F E D C |]

src/exercises/library/descending-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise: descending lines in A minor (project contributor, 2026, CC0).
+X:19
+T:Descending Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:Am
+c B A G | F E D C | B, C D E | F E D C | A G F E | D C B, A, | B, C D E | A2 z2 |]

src/exercises/library/dotted-eighth-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise: dotted quarter + eighth figures (project contributor, 2026, CC0).
+X:15
+T:Dotted Eighth Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=70
+K:G
+G3/2 A/2 B G | D3/2 E/2 G B | A3/2 B/2 c A | E3/2 ^F/2 A c | B3/2 A/2 G ^F | E3/2 D/2 B, A, | G,3/2 A,/2 B, D | G2 z2 |]

src/exercises/library/e-minor-pentatonic-run.abc

@@ -0,0 +1,10 @@
+% Original technical exercise: E minor pentatonic (project contributor, 2026, CC0).
+X:14
+T:E Minor Pentatonic Run
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=90
+K:Em
+E G A B | d B A G | E D B, A, | B, D E2 | G A B d | B A G E | D B, A, B, | E2 z2 |]

src/exercises/library/f-major-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise in F major (one flat) (project contributor, 2026, CC0).
+X:17
+T:F Major Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:F
+F G A _B | c d c A | F G A c | d c A F | G A _B c | d c _B G | A _B c d | c2 A2 |]

src/exercises/library/jingle-bells.abc

@@ -0,0 +1,13 @@
+% Jingle Bells — opening phrase. James Lord Pierpont, 1857; public domain.
+% Transcription: project contributor, 2026 (CC0). Opening 4 bars only.
+% Pitch convention: concert pitch.
+X:7
+T:Jingle Bells (Opening)
+C:James Lord Pierpont (1857)
+S:Public domain since publication; opening phrase
+Z:Project contributor, 2026 (CC0 transcription)
+M:4/4
+L:1/4
+Q:1/4=120
+K:C
+E E E2 | E E E2 | E G C D | E2 z2 |]

src/exercises/library/london-bridge.abc

@@ -0,0 +1,13 @@
+% London Bridge Is Falling Down — traditional English nursery rhyme.
+% Traditional tune: public domain. Transcription: project contributor, 2026 (CC0).
+% Adaptation: the first two-measure phrase, repeated as the tune itself does.
+X:9
+T:London Bridge (First Phrase)
+C:Traditional (English nursery rhyme)
+S:Common version of the tune
+Z:Project contributor, 2026 (CC0 transcription); adaptation: first phrase, repeated
+M:4/4
+L:1/4
+Q:1/4=100
+K:C
+G A G F | E F G2 | D E F2 | E F G2 | G A G F | E F G2 | D E F2 | E F G2 |]

src/exercises/library/mary-had-a-little-lamb.abc

@@ -0,0 +1,12 @@
+% Mary Had a Little Lamb — traditional nursery melody (19th century).
+% Traditional tune: public domain. Transcription: project contributor, 2026 (CC0).
+X:8
+T:Mary Had a Little Lamb
+C:Traditional
+S:Common nursery-rhyme version
+Z:Project contributor, 2026 (CC0 transcription)
+M:4/4
+L:1/4
+Q:1/4=100
+K:C
+E D C D | E E E2 | D D D2 | E G G2 | E D C D | E E E E | D D E D | C2 z2 |]

src/exercises/library/mixed-rhythm-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise mixing paired eighths and quarters (project contributor, 2026, CC0).
+X:16
+T:Mixed Rhythm Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:C
+C C D/2 E/2 F | G G A/2 B/2 c | c B A/2 G/2 F | E E D2 | F F G/2 A/2 B | c c B/2 A/2 G | A G F/2 E/2 D | C2 z2 |]

src/exercises/library/thirds-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise: melody in thirds (project contributor, 2026, CC0).
+X:11
+T:Thirds Study
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:4/4
+L:1/4
+Q:1/4=80
+K:C
+C E D F | E G F A | G B A c | B c B2 |]

src/exercises/library/waltz-study.abc

@@ -0,0 +1,10 @@
+% Original technical exercise in 3/4 (project contributor, 2026, CC0).
+X:13
+T:Waltz Study (3/4)
+C:Original exercise (project contributor)
+Z:Project contributor, 2026 (CC0)
+M:3/4
+L:1/4
+Q:1/4=90
+K:C
+C E G | c2 G | A G F | E2 C | D F A | c2 A | G F E | D2 C |]