Develop a musical composition by incorporating the suggested motif and by following the prescribed format.
X:1
L:1/8
M:6/8
K:Bb
['f dBb fdB (A/B/c)A B2 F GAB', 'D/E/ FED'  
X:1
L:1/8
M:6/8
K:Bb
 f | dBb fdB | (A/B/c)A B2 F | GAB FED | ECC C2 f | dBb fdB | (A/B/c)A B2 F | GAB FGE | 
 DB,B, B,2 :: D/E/ | FED EFG | ABc F2 B | EGc DFB | GEC"^tr" C2 D/E/ | FED GFE | AGF GAB | 
 cde FGE | DB,B, B,2 :|  