Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:6/8
K:A
['', 'aec A2 F GAB d2 B cec', 'fec BdB c2 B ABc'  
X:1
L:1/8
M:6/8
K:A
 e |: aec A2 F | GAB d2 B | cec Ace | dBB Bce | aec A2 F | GAB d2 B | cec BdB | cAA A2 e :: 
 f2 a fec | BdB c2 B | ABc eae | fee e2 a |1 faf fec | BdB c2 B | ABc BeB | cAA A2 a :|2 
 (f/g/a)g fec | aec d2 f | eac BeB | cAA A2 ||  