Move Change: notice closer to the bottom of the tune graphic. I was using \begin{center}..\end{center} to centre the tune graphic, followed by the change notice, if any. But this leaves a paragraph gap after the center section and hence a gap between tune graphic and change notice. Change to use figures to position the graphic, include the change notice as a caption, and use {\centering} around the image to centre just the image.

X: 1
T: Theme Vannetaise
T: Twiglet
C: Trad.
O: Breton
M: 4/4
K: G
L: 1/8
P: A
"Em" E2 B2 B2 AB | G2 E2 E2 FG | "D" A2 AG F2 FE | DE FA "B" G2 F2 |
"Em" E2 B2 B2 AB | "C" G2 E2 E2 FG | "D" A2 AG F2 FE | DEFD "Em" E4 :|
P: B
"Em" EF GF EF GF | EF GA B2 E2 | "D" DE FE D2>E2 | F2 A2 "B" G2 F2 |
"Em" EF GF EF GF | "C" EF GA B2 E2 | "D" DE FE D2 FA | "C" G2 "B" F2 "Em" E4 :|