Compose a piece featuring the specified motif and using an alphabet-based arrangement.
X:1
L:1/8
M:3/4
K:C
['a2 a2']  
X:1
L:1/8
M:3/4
K:C
 cg a2 a2 | fa g2 ge | fg a2 a2 | df f2 ec | Bd d2 Bd | ff g2 ec | Bd G2 g2 | ff e2 e c2 |]  