Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:2/2
K:A
['ABcA B2 AF', 'dBGB A2'  
X:1
L:1/8
M:2/2
K:A
 ABcA B2 AF | E3 F Aceg | a2 ae f2 ec | dBcA BAGB | ABcA B2 AF | EDEF Aceg | agae faec |1 
 dBGB A2 EE :|2 dBGB A2 GF |: E2 GE BEGE | A2 cA eAcA | B2 ^dB fBdf | efge bege | a2 ae faec | 
 defg a2 ga | bgafgece |1 dBGB A2 GF :|2 dBGB A2 AA :|  