Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:2/2
K:A
['A2 Ac BAGB Aceg a2 ga bgeg', 'a2 ga'  
X:1
L:1/8
M:2/2
K:A
 EG | A2 Ac BAGB | Aceg a2 ga | bgeg aecA | dcBA GBEG | A2 Ac BAGB | Aceg a2 ga | bgeg aecA |1 
 dcBG A2 :|2 dcBG A4 |: A,ECE A,ECE | A,B,CE ABcA | EBGB EBGB | EFGE efge | a2 ga faec | 
 defg a2 ga | bgeg afec |1 dcBG A4 :|2 dcBG A2 ||  