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:2/4
K:Bmin
['', 'B/c/d ff', '[eA][gc]/[fB]/ [eA][dG] |1 [BF]2 B/c/d :|2 [BF]2', 'dB bg af ge']  
X:1
L:1/8
M:2/4
K:Bmin
 B/c/d |: ff A/B/c | d2 B/c/d | ff Bc | de/d/ c2 | [fB][fB] [eA][eA] | [dG][dG] [cF]2 | 
 [eA][gc]/[fB]/ |] [eA][dG] |1 [BF]2 B/c/d :|2 [BF]2 c/d/e/f/ || ge fd | ec dB | bg af | ge [ae]2 | 
 fg/f/ ef/e/ | de/d/ c2 | eg/f/ ed | B2 c/d/e/f/ | ge fd | ec dB | bg af | ge [bf]2 | [fB]2 [eA]2 | 
 [dG]2 [cF]2 | eg/f/ ed | B2 B/c/d ||  