Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:2/2
K:G
['', 'GEEF G2', 'f2 af']  
X:1
L:1/8
M:2/2
K:G
 (BA)"^Segno" |: GEEF G2 (EF) | G2 (FG) AcBA |1 GEEF G2 (ef) | gfed B2 BA :|2 GFEF GABa | 
 gef^d e2 ef || g2 bg f2 af | e2 fe BBef | gabg fgag | gfe^d e2 (ef) | g2 bg f2 af | e2 fe BBef | 
 ggbg f2 af | gfe^d e=dBA"^Segno" ||  