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: Buttered Peas
M: 4/4
L: 1/8
K: Gmaj
|: dc | "G" B2 d2 d2 cB | "C" c2 e2 e2 dc |\
"G" B2 d2 d2 cB | "D7" c2 A2 A2 dc |
"G" B2 d2 d2 cB | "C" c2 e2 e2 dc |\
"G" B2 d2 "D7" A2 c2 | "G" B2 "C" G2 "G" G2 :|
|: dc | "G" B2 d2 g3 a | gfed g2 d2 | B2 d2 g2 fg | "Am" a2 A2 "D7" A2 dc |
"G" B2 d2 g3 a | gfed g2 dc | B2 d2 "D7" A2 c2 | "G" B2 "C" G2 "G" G2 :|