Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:9/8
K:G
['GED EGd BGE', 'BAB GED GBc deg bab']  
X:1
L:1/8
M:9/8
K:G
 G3 GED EGd | BGE GAB c2 d | Ged B2 A GAB | dBA AGD E2 B | G2 d GED EGd | BGE GBd e2 g- | 
 gba g2 e d'ba | ged BGE G3 | G3 GED EGd | BGE GAB c2 d | Ged edB edB | BAB GED EdB | GdG GED EGd | 
 BGE GBd e2 g- | gba g2 e d'ba | ged BGE G3 |:[M:6/8] Bed BAB | GED GBc | deg bab | age- e2 g | 
 a2 e ged | edB GAB | edB BGD | E3- E2 ^A | Bed BAB | GED GBc | deg bab | abd'- d'3 | z ae g2 d | 
 z eB d2 B | A/A/AA AGE |1 G3- G2 A :|  