Compose musical pieces adhering to the prearranged pattern, utilizing the provided motif.
X:1
L:1/4
Q:1/2=100
M:4/4
K:Bb
['A B']  
X:1
L:1/4
Q:1/2=100
M:4/4
K:Bb
 G G | d d c d | B A/B/ c A | d2 B2 | A2 A B | A ^F G A | B2 G/A/B/c/ | d2 c/d/c/B/ | A2 A B | 
 A ^F G A | B A/B/ c A | d2 A2 | G4 :|  