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:C
['B2 B Bcd c2 A ABc', 'G2 d/=e/ f2 d d=e^f g2 d']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:Gmin] .abc d/c/ | B2 B Bcd | c2 A ABc | B2 G GAB | AFD DGA | B2 B Bcd | c2 A ABc | 
 BAG AG^F | G3 G2 :| | d/=e/ | f2 d d=e^f | g2 d dcA | G2 f f2 g | afd d2 =e | fga gf=e | 
 f=ed cBA | GAB AG^F | G3 G2 :|  