Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/16
M:2/4
K:G
['G2Bd gagf ABAF DEFG']  
X:1
L:1/16
M:2/4
K:G
 (3DEF |"G" G2Bd gagf |"C" edcB"Am" ABAF |"D7" DEFG ABAF |"G" GFGB"D7" d2(3DEF |"G" G2Bd gagf | 
"C" edcB"Am" ABAF |"D7" DEFG A2 .e2 |"D7" dcBA"G" G2 :: Bc |"G" dBGA BGBc |"G" dBGB"Am" A2AB | 
"D7" cAFA DFAB |"D7" cAFA"G" d2Bc |"G" dBGA BGBc |"G" dBGB"Am" A2AB |"D7" cAFA D2 .e2 | 
"D7" dcBA"G" G2 :|  