Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
M:4/4
K:C
['', 'fdB Bcd ecA', 'f3 fed faa']  
X:1
L:1/8
M:4/4
K:C
 .abc ||[M:6/8][K:D] g | fdB Bcd | ecA A2 G | F>AA def | gfg bag | fdB Bcd | ecA A z G | F>AA def | 
 gec d2 :: e | f3 fed | faa a2 f | gfg Bcd | ecA A2 d | f3 fed | faa agf | gfg bag | fdd d2 :|  