Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:1/2=110
M:4/4
K:C
['A,2 C2 E2 z2 A,2 CE z']  
X:1
L:1/8
Q:1/2=110
M:4/4
K:C
"Am" A,2 C2 E2 z2 | A,2 CE z D2 C |"E" D3 B z4 | z8 |"Am" A,2 C2 E2 z2 | A,2 CE z D2 C | 
"E" D3 B z4 | z8 :|  