Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:G
['GA BdcA GFGB A=F F2 cF F2', 'BG Bd fgaf g2 fg abag fdde']  
X:1
L:1/8
M:4/4
K:G
 GA | BdcA GFGB | A=F F2 cF F2 | BdcA GBge | fdcA BG :| Bd | fgaf g2 fg | abag fdde | fgaf gbag | 
 fdcA BG :|  