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:3/8
K:Bb
['d/d/ c>de/g/ fdf/f/ gfe']  
X:1
L:1/8
M:3/8
K:Bb
 F | B>AB/G/ | FDB | cdc | B2 d/d/ | c>de/g/ | fdf/f/ | gfe | d2 d/d/ | c>de/g/ | fdf/f/ | gfe | 
 d2 |]  