Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/4
M:2/2
K:G
['B/G/ A/F/ c A', 'G B/c/d/e/ c/d/c/A/ B/>c/d/e/ f/d/g/d/ B/>c/d/e/ c/d/c/A/', 'f e/d/c/B/', 'g f']  
X:1
L:1/4
M:2/2
K:G
 B/G/ A/F/ c A | B/G/ c/A/ g d | B/G/ A/F/ c A | B/d/ A/B/ G G |] B/c/d/e/ c/d/c/A/ | 
 B/>c/d/e/ f/d/g/d/ | B/>c/d/e/ c/d/c/A/ | B/d/A/c/ G G |]:[M:3/4][K:F] f e f | e/>f/ g c | 
 f e/d/c/B/ | A3 | F A c | f2 e | d g f | e3 | f e/d/c/B/ | A2 f | B c2 | F3 :: F A F | c B/A/ | 
 G B G | d2 B | A g f | e/d/ ^c d | e/f/ g f | e3 | f e f | F E D | e d e | E D C | f e d | 
 ^c A d | G A2 | D3 :|  