Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:A
['EcBA GAA/B/c d3 f', 'effe fa']  
X:1
L:1/8
M:4/4
K:A
|: c2 BA GADE- | EcBA GAA/B/c | d3 f ec A2- | A B2 A BcBA | BcBA GA E2- | EcBA GAA/B/c | 
 d3 f ecAB- |1 BABc ABBA :|2 BABc AceA || effe fa e2- | eBBA cdeA | effe fa g2 | geg/a/b agec | 
 effe fa c2- | cBBA BcAG | FGAG ABAc | eAce effe | fa e2- eBBA | cdeA effe | fa g2 geg/a/b | 
 agec effe | fa c2- cBBA | BcAG FGAG | AB A2- ABBA ||  