Create a composition using the letter notation of the specified musical motif and the provided melodic theme.
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
['BFDF Bcdc', 'B2 fe defd gfed e2 c2 c2']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
 dc | BFDF Bcdc | BFDF BcdB | ABcd edcB | A2 c2 c2 dc | BFDF Bcdc | BFDF Bcdc | egfe dcBA | 
 B2 B2 B2 :: fe | defd gfed | e2 c2 c2 ed | cdec fedc | d2 B2 B2 dc | BFDF BcdB | efga bagf | 
 gfgd ecBA | c2 B2 B2 :|  