Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:4/4
K:Dmin
['D/D/D D2', 'G d f>dc>A f>gaf g/g/g ga b>gag']  
X:1
L:1/8
M:4/4
K:Dmin
 A | D/D/D D2 F>G AF | G/G/G G>A B>G A<d | D/D/D D2 F>GA>c | d>f d/c/B/A/ A<G G :: d | 
 f>dc>A f>gaf | g/g/g ga b>gag | f>dc>A f>gag | f>dcf A<G G :|  