Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:6/8
K:D
['A2 A']  
X:1
L:1/8
M:6/8
K:D
 (D/F/) | A2 A B2 B | A3- A2 A | A2 A B2 B | A3 A2 z | A3 B3 | (4:3:4A2 F2 D2 E2 | 
 (4:3:4F2 G2 E2 F2 | D4 ||  