Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:2/2
K:Emin
['(3EDE) B>(E{F} (3EDE)', '(3(GAG) Bd ef g2']  
X:1
L:1/8
M:2/2
K:Emin
 BA"^segno" | G(E{F} (3EDE) B>(E{F} (3EDE) | G>(E{F} (3EDE) BcBA |1 G>(E{F} (3EDE) B>(E{F} (3EDE) | 
 AFDF AcBA :|2 G2 MGF GBdB | AFDF A2 || (BA) | (3(GAG) BG dGBG | (3(GAG) Bd ef g2 | 
 (3(GAG) BG dGBG | AFDF AcBA | (3(GAG) BGdGBG | (3(GAG) Bd ef g2 | af{a} ge dedB | 
 AFDF AcBA"^segno" |]  