Construct orchestral compositions utilizing the provided chord structure.
'A', 'B'  
X:1
L:1/8
Q:1/8=120
M:6/8
K:G
"A" g | gfe edc | BcA G2 D | (4:3:4GABc (4:3:4dedc | B2 A G2 ||"B" A | Bcd d2 A | Bcd d2 A | 
 Bcd edc | BcA G2 g | gfe edc | BcA G2 D | (4:3:4GABc (4:3:4dedc | B2 A G2 ||  