Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:3/4
K:A
['c A z', 'e3 c de fe de c2 ef']  
X:1
L:1/8
M:3/4
K:A
 A,2"^+" c z"^+" A z |"^+" [AE] z"^+" c z"^+" A z |"^arco" Bc BA Bc | dc AG EC | 
 A,2"^+" c z"^+" A z |"^+" [AE] z"^+" c z"^+" A z |"^arco" Bc BA Bc |1 [AA]3 DCB, :|2 [AA]4 z2 |: 
 CE AE CE | DF AF DF | CE AE CE | B,E AE B,E | CE AE CE | DF AF DF | CE AE B,E |1 A,4 z2 :|2 
 A,4 cd |: e3 c de | fe de c2 | ef ed B2 | (3ded c2 A2 | e3 c de | fe de c2 | ef ed Bc |1 
 [AA]4 cd :|2 [AA]4 z2 ||  