Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
['B3/4c/ d>e dg d>^c dB/=c/ dg Be/d/']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
 B3/4c/ | d>e dg | d>^c dB/=c/ | dg Be/d/ | (A3/2c/4B/4 A)B/c/ | dd e/d/B/G/ | gg a/g/f/e/ | 
 dB{B} A/^G/A/B/ | GB GD/F/ | AA B/A/G/E/ | Fd A>A | Bd g>f | a/g/f/e/ d/c/B/A/ | BB ^AB | 
 c>d !fermata!ee | dg (fb/a/) | g3 |]  