Theory
Until yesterday each chord had one top note. Today you link that top note across several notes into a melody. Leave the chord laid down and move only the 1st-string top note up and down, and a song flows over the chord. This is exactly the top line, the heart of chord melody.
Over Dm9, raise the top note on the 1st string 5→8→10 fret. In note names that's A→C→D (5th→b7→root). The chord stays parked in one spot, yet the top note walking upward makes a flat vamp start to tell a story. Over G13, it climbs and falls on the 1st string 7→10→7 fret (3rd→5th→3rd).
Today keep the chord still and let only the top line sing. At BPM 70, listen for the top note linking clearly note by note. Once the top line links smoothly, tomorrow it joins the chord to become the M1 finishing vamp. First, draw the top line over Dm9.
▶ The top line over Dm9. 1st string 5→8→10 fret; the green notes (5th·root) are the line's landings.
See it
The top line over G13. On the 1st string 7→10→7 fret, in note names B→D→B (3rd→5th→3rd), it climbs and comes back down. Starting on the 3rd, climbing to the 5th, and returning to the 3rd closes one bar like a little song.
▶ The top line over G13. It moves between 1st string 7↔10 fret; the green 3rd is the start and the end.
Now drop the chord and listen to just the top line in a row. The two bars flow as one short melody. Check with the ear whether the top line alone becomes a song even without the chord.
▶ BPM 70. Sing just the 1st-string top line without the chord. Listen for the green notes (landings) arriving clearly.
Today's practice
0–10 min · Warm-up BPM 65. Warm the hand by slowly moving between frets 5·8·10 and 7·10 on the 1st string. Check with the ear that the gaps between the top-line notes link smoothly.
10–20 min · Brain training (drawing the top line) Silently follow only the 1st string with your eyes and set the top line's path (5→8→10, 7→10→7) into the hand.
20–40 min · Real chord + top line (BPM 70) Repeat the four bars below without a break. Lay the chord for the first 2 beats, then move the top note on the last 2. Watch just one thing: whether the top line walks over the chord.
▶ BPM 70. Loop chord + top line twice. Let the chord be the background and the top note sing out front.
40–50 min · Recording / self-feedback (recommended) Record 30 seconds and listen back. Compare yesterday's chord-only sound with today's — how much more like a song it sounds with the top line laid on.
Done when: You can move the top line (1st string 5→8→10, 7→10) over Dm9 and G13 smoothly at BPM 70 and make a melody that walks over the chord.
Here are just the mistakes that show up most as you move the top line.
▶ The green notes (frets 5·7) are each chord's top-line start; frets 8·10 are the passing and peak that link between them.
- The chord breaks while you move the top note. Keep the chord fingers pressed and move only the finger fretting the 1st string.
- The line jerks apart. Pluck smoothly and connect the notes so it sounds like a walking melody.
- The top note is too soft. The top is a song, so ring the 1st string a touch clearer than the chord.
- You raise the speed first. If the line breaks, drop to BPM 65 and win back the note-to-note connection first.