Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/4
M:3/4
K:D
['A G', 'F E F']  
X:1
L:1/4
M:3/4
K:D
 A/G/ | F E F | D F A | G F G | E2 A/G/ | F D D | D F A | G F G | E2 A/G/ | F E F | D F A | G B d | 
 d2 d/e/ | f e c | d c A | G F G | E2 || A/G/ | F E F | D E A | d3 | A2 G/G/ | F E F | G E C | 
 (D3 | D2) ||  