Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/16
M:3/4
K:G
['A4 ABAGEDEG A4 G2AGEDE2']  
X:1
L:1/16
M:3/4
K:G
 A2AAA2AB d4 | BAGAd2B2 A4 | ABAGEDEG A4 | G2AGEDE2 D4 | A2AAA2AB d4 | BAGAd2B2 A4 | ABAGEDEG A4 | 
 G2AGEDE2 D4 | d2d2BAGA | d2B2 A4 ABAGEDEG A4 | G2AGEDE2 D4 |]  