Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:G
['B2 BA', 'G2 bgdf g3 e dBcA BG D2']  
X:1
L:1/8
M:4/4
K:G
|: B2 BA GBdB | A2 FA c2 BA | B2 BA GBdf | gdBA GFGA | G2 GF DFAB | cBAG FD D2 | B2 BA GBdf | 
 gdBA GF G2 :| bgdf g3 e | dBcA BG D2 | GFGB gedB | AGFG A2 d2 | gdBd gabg | afdf g4 | ecdB AGFG | 
 AGGF G4 :|  