Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/2
K:G
['(3DEF GEGG', 'd)BAG ([E-B][Ec]-)[Ec](d e)dcB ABd(e f)f(=fe) d3 e', 'Bcdc BG A2 G3 B dBd(e f)d']  
X:1
L:1/8
M:2/2
K:G
"^A" (3DEF | GEGG B d2 (A | B)G A2 G3 (B | d)Bd(e =fefe) | d3 e d2 (3DEF | GEGG Bdde | dcBA GE G2 | 
 EFAd BG A2 | G8 ||"^B" Bd-d(e d)BAG | ([E-B][Ec]-)[Ec](d e)dcB | ABd(e f)f(=fe) | d3 e dBGA | 
 Bd-d(e d)BAG | (Ec-)c(d e)dcB | Ad-dc BG A2 | G6 ||"^A'" (3DEF | GFGA Bcdc | BG A2 G3 B | 
 dBd(e f)d e2 | d3 e dBAF | GDGG B d2 e | dcBA GDGD | EFAd BGFA | G6 ||  