Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/16
M:2/2
K:F
['f2F2 A/BcA G2B2 ABcA f2F2 AcBA dcBA', 'c4 g2c2 egfe fd^cd e2A2 f2ed ^ced=c']  
X:1
L:1/16
M:2/2
K:F
 f2F2 | A/BcA G2B2 ABcA | f2F2 AcBA dcBA G2g2 | f2F2 BcBA G2c2 =Bcde ecdB c4 :: 
 g2c2 egfe fd^cd e2A2 | f2ed ^ced=c B2AG A2D2 | f2F2 A2cA G2B2 bcdB | g2B2 ABcA GABG F4 :|  