Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/16
M:2/4
K:G
['G2G2 B2d2', 'z2 g2bg afdf efge']  
X:1
L:1/16
M:2/4
K:G
 (3DEF | G2G2 B2d2 | cABG AGFD | G2G2 B2d2 | egfa g2 z (3DEF | G2G2 B2d2 | cABG AGFD | G2G2 B2d2 | 
 ecAF G2 || z2 | g2bg afdf | efge dBG z | g2bf afd z | egfa g2 z2 | g2bg afdf | efge dcBA | 
 G2G2 B2d2 | egfa g2 ||  