Compose harmonious chord progressions to enhance the existing musical composition.
AG | F2A2 A2d2 | BcdB A2F2 | G2B2 A2FA | B2E2 GFED | F2A2 A2d2 | 
 BcdB A2F2 | G2B2 ABAG | F2D2 D2 :: E2 | F2A2 ABde | f4 e2d2 | BcdB A2FA | 
 B2E2 GFED | F2A2 ABde | f4 e2d2 | BcdB ABAG | F2D2 D2 :|  
X:1
L:1/16
M:2/4
K:D
 AG |"D" F2A2 A2d2 |"G" BcdB"D" A2F2 |"G" G2B2"D" A2FA |"Em" B2E2"A7" GFED |"D" F2A2 A2d2 | 
"G" BcdB"D" A2F2 |"G" G2B2"A7" ABAG |"D" F2D2 D2 :: E2 |"D" F2A2 ABde | f4 e2d2 |"G" BcdB"D" A2FA | 
"Em" B2E2"A7" GFED |"D" F2A2 ABde | f4 e2d2 |"G" BcdB"A7" ABAG |"D" F2D2 D2 :|  