Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:4/4
K:D
['DE FG']  
X:1
L:1/8
M:4/4
K:D
|: A,2 |"D" DE FG A2 Bc | d2 cB A2 A2 |"A7" GG GF E2 E2 | G2 FE"D" F2 D2 |"D" DE FG A2 Bc | 
 d2 cB A2 fe |"A7" d2 cB AA Bc |"D" d2 d2 d2 :: FG |"D" A2 f2"A7" G2 e2 |"D" F2 d2"G" dB GF | 
"A7" E2 B2 BA GF |1,3"D" DE FG AG :|2,4"D" E2 D2 D2 :|  