Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
Q:1/4=90
M:4/4
K:C
['E2 A2']  
X:1
L:1/8
Q:1/4=90
M:4/4
K:C
 E2 | A2 (AB) c2 (BA) | ^G4 z2 E2 | A2 A B c2 (dc) | B4 z2 (Bd) | e2 (ed) (dc) (BA) | 
 (AB) (cA) d2 (cd) | (e>f) (ed) (cA) (B>A) | A6 |]  