Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:A
['(3(cBA) eA (3(cBA)', 'eA (3(cBA)'  
X:1
L:1/8
M:4/4
K:A
 vA2 (3(cBA) eA (3(cBA) | (eA)aA gAfA | A2 (3(cBA) eA (3(cBA) | (BE)(cE) (dE)(BE) | 
 A2 (3(cBA) eA (3(cBA) | (eA)aA gAfA | (ef)ec (ea)ec | (BA)Bc A2 z2 || vE2 (3(GFE) BE (3(GFE) | 
 (BE)dE cEBE | A2 (3(cBA) eA (3(cBA) | (eA)aA gAfA | eA (3(cBA) (aA)fA | eA (3(cBA) (aA)fA | 
 (ec)ag (fe)dc | BAGF"^D.C." EFGE"_Fine" |]  