Compose a musical work that seamlessly incorporates the assigned motif and abides by the given alphabetical pattern.
X:1
L:1/8
M:2/4
K:Bb
['g b e']  
X:1
L:1/8
M:2/4
K:Bb
 c'4 | g4 | c' f f f/ g/ | b g/ b/ c'2 | g b e c | f4 | c' f' c' b | g f/ g/ c c | c'4 | 
 g b e f/ e/ | c4 |]  