Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:9/8
K:Bb
['f2 d', 'd f2']  
X:1
L:1/8
M:9/8
K:Bb
 d/e/ | f2 d B2 G F2 D | F2 G B2 c d2 e | f2 g f2 d c2 d | B2 G F3 F2 d/e/ | f2 d B2 G F2 D | 
 F2 G B2 c d2 f | g2 d f2 d c2 d | B2 B B3 B2 || B | B2 d f2 e d2 f | g2 a b3 a2 b | 
 g2 d f2 d c2 d | B2 G F3 F2 d/e/ | f2 d B2 G F2 D | F2 G B2 c d2 f | g2 d f2 d c2 d | 
 B2 B B3 B2 ||  