Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:G
['FGAB dedB', 'GE E2', 'DGGE FGAB G2 eG']  
X:1
L:1/8
M:4/4
K:G
 ge | dedB G3 B | d2 BG FGAB | dedB GBAG | FEDE FGAB | dedB G3 B | d2 BG FGAB | dedB GBAG | 
 FEDE FGAB || GE E2 B,E E2 | GE E2 edBA | GE E2 B,E E2 | FEDE FGAB | GE E2 B,E E2 | GE E2 edBA | 
 GEEF G2 GA | BedB AGEF || G3 A G3 E | DGGE FGAB | G2 eG dG G2 | FEDE FGAB | G3 B dG G2 | 
 DGGE FGAB | G2 eG dGGE | FEDE FGAB ||  