Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/16
M:2/4
K:G
['BA G2F2 G2AG F4 z2 BA G2DB,', 'c2B2 c2B2']  
X:1
L:1/16
M:2/4
K:G
 BA | G2F2 G2AG | F4 z2 BA | G2DB, C2B,A, | B,6 :: B2 | c2B2 c2B2 | c2B2 c2B2 | c2B2 cBAG | 
 FEFG F2BA | G2F2 G2AG | F4 z2 BA | G2DB, C2B,A, | B,6 :|  