Create musical composition by adhering to the given musical structure represented by letters and integrating the given motif.
X:1
L:1/8
M:2/4
K:Bb
['GB B/c/d/B/']  
X:1
L:1/8
M:2/4
K:Bb
"Bb" Bd d/e/d/c/ | Bd d>B |"F" Ac c/d/c/A/ | fe"D7" dc |"Gm" GB B/c/d/B/ | GB B>G |"A7" AG F=E | 
"D7" D3 A ::"F" FA A/B/c/A/ | FA A/B/c/A/ |"Gm" GB B/c/d/B/ | GB B/c/d/B/ |"F" FA A/B/c/A/ | 
 FA"Eb" e>d |"F" cA FD |"Dm" DF"Gm" G2 :|  