Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:6/8
K:G
['d3 BdB', 'gag gdB', 'A2 B c2']  
X:1
L:1/8
M:6/8
K:G
 d3 BdB | GBd gdB | d3 BdB | A2 B c2 e | d3 BdB | GBd gdB | cac BgB | A2 B c2 e :| gag gdB | 
 gag gba | gag gdB | A2 B c2 e | gag gdB | gfe dcB | cac BgB | A2 B c2 e :| dBA G2 B | dBG Bdg | 
 dBG G2 B | A2 B c2 e | dBG GBd | gfe dcB | cac BgB | A2 B c2 e :|  