Construct musical works adhering to the required format and the supplied musical theme.
X:1
L:1/8
M:2/4
K:C
['cB AG', 'eg ec/e/ de Gc/G/'  
X:1
L:1/8
M:2/4
K:C
|: Gc cG | cB AG | Ad AG | cB AG | Gc cG | cB AG | Ad AB | c2 c2 :: eg ec/e/ | de Gc/G/ | AB AG | 
 ec/e/ d2 | eg ec/e/ | de Gc/G/ | Ad AB | c2 c2 :|  