Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
Q:1/4=180
M:4/4
K:C
['edcB c2 de f2', 'gag fde fgf e2 c efe dBc']  
X:1
L:1/8
Q:1/4=180
M:4/4
K:C
 edcB c2 de | f2 df e2 c2 | edcB c2 de | f2 d2 c4 :|[M:3/4] gag | fde | fgf | e2 c | efe | dBc | 
 def | g3 | gag | fde | fgf | e2 c | efe | dBc | ded | c3 :|  