Assemble a musical composition that combines the featured motif and conforms to the defined alphabetical form.
X:1
L:1/4
M:3/4
K:D
['A G']  
X:1
L:1/4
M:3/4
K:D
 D | G G A | G G D | =F G F | D2 D | A A G | A A G | A A G | A2 A | D3/2 E/ =F | G =F E | D D C | 
 D2 |]  