Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['BAG AFD', 'bag agf', 'dBG cA=F FEF C=FA cBA dBG GBd']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 A | BAG AFD | G2 G FGA | BAG BdB | cAG Fdc |"^5" BAG AFD | GBd g3 | def gdB | cAF G2 :| B | 
"^9" d2 g gfg | abg fga | bag agf | def g2 a |"^13" bag agf | g2 g fd^c | def gdB | cAF G2 :| 
 B/c/ |"^17" dBG GFG | DGB dBG | cA=F FEF | C=FA cBA |"^21" dBG GBd | g2 g fd^c | def gdB | 
 cAF G2 :|  