Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:9/8
K:G
['GAG GBG GFD', 'B/cdB A/BcA B2 G', 'G2 g gdB gdB', 'gag gdg']  
X:1
L:1/8
M:9/8
K:G
|: GAG GBG GFD | GAG GAB CAF | GAG GBG GFD | FGA f2 d gAF :: B/cdB A/BcA B2 G | B/cdB cAd cAF | 
 B/cdB A/BcA B2 G | FGA f2 d cAF :: G2 g gdB gdB | G2 g gdB gdB | G2 g gdB gdB | A2 f fcA fcA :: 
 gag gdg g3 | gag gdg agf | gag gdg g3 | FGA f2 d cBA :|  