Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/8=232
M:4/4
K:G
['Bc dB cB AB cd', 'eA (3(AAA)', 'Bc dB cB AB cd']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:G
 B2 BA Bc dB | cB AB cd ec | d2 dd dc AG | FG Ac BG AG | DG GA Bc dB | cB AB cd ef | g2 gd ec AF | 
 G2 GG G2 (3(def) |: f2 fd fB (3(BBB) | g2 fg eA (3(AAA) | eA (3(AAA) e2 eg | fg af gb af | 
 f2 fd fB (3(BBB) | g2 fg eA (3(AAA) | eA (3(AAA) e2 eg | fg af ge dc :| B2 BA Bc dB | 
 cB AB cd ec | d2 dd dc AG | FG Ac BG AG | DG GA Bc dB | cB AB cd ef | g2 gd ec AF | G2 GG G2 G2 ||  