Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:4/4
K:Gmin
['B6 cd f4']  
X:1
L:1/8
M:4/4
K:Gmin
|:"Gm" g6- g a/g/ |"Dm" f6- f g/a/ |"Bb" b2 bg f3 d |"Eb" g6- g b |"Gm" gf d4- dd |"Dm" cB c4- cB | 
"Gm" G8- | G8 :|"Bb" B6 cd |"Dm" f4 d4 |"Gm" g3 a g2 fd |"Eb" cB d6 |"Gm" B6 cd |"Dm" f4 d2- dc | 
"Gm" d8- | d8 |"Bb" B6 cd |"Dm" f4 d4 |"Gm" g3 a g2 fd |"Eb" cB G6 |"Gm" b6 c'd' |"Dm" a6- a g | 
"Cm7" g8- | g8 ||  