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:Dmix
['', 'dcAG cBcG EFGE DA, A,2 =FA, A,2', 'd2 Ad']  
X:1
L:1/8
M:4/4
K:Dmix
 dc |: Addc dcAG | cBcG EFGE | DA, A,2 =FA, A,2 | =FEDB, CB,G,B, | A,2 =FE FEDC | _B,CDE =FGA^c | 
 defg ag (3fga | ge^ce d3 A | dace dcAG | cBcG EFGE | DA, A,2 =FA, A,2 | =FEDB, CB,G,B, | 
 A,2 =FE FEDC | _B,CD=F _Bcd=f | ecde dcAG | cAGE D3 A || d2 Ad (3fga fg | ec c2 acgc | 
 d2 Ad fgag | ea^ce d3 f | a3 b ag (3efg | fdAF AcE^C | A,^CEA ^cege | fge^c d3 A | 
 d2 Ad (3fga fg | ec c2 acgc | d2 Ad fgag | ea^ce d3 f | a3 b ag (3efg | fded (3cde AB | 
 c3 d (3efg ed | cAGE D4 :|  