Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/8
M:4/4
K:G
['G4 B2 GB d6 ef gfed cBAG', 'B2 G2']  
X:1
L:1/8
M:4/4
K:G
 G4 B2 GB | d6 ef | gfed cBAG | FE F2- F2 D2 | F2 DF A2 F A2 | c6 e2 | d3 c B2 A2 |1 BcBA GFEF :|2 
 G2 B2 BBAB || d2 B2 G2 AB | c2 A2 F2 c2 | B2 G2 E2 G2 | FGAG FE D2 | d2 B2 G2 AB | c2 A2 F2 c2 | 
 B2 G2 AG F2 |1 G2 B2 BBAB :|2 G4 G4 ||  