Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:4/4
K:Emin
['GE E2', 'G2 BG dGBG']  
X:1
L:1/8
M:4/4
K:Emin
|: GE E2 BE E2 | GEEA BcBA | GE E2 BEGB | AFDF AcBA | GE E2 BE E2 | GEEA BcBA | G2 GF GBdB | 
 AFDF AcBA :: G2 BG dGBG | G2 Bd ef g2 | G2 BG dGBG | AFDF AcBA | G2 BG dGBG | G2 Bd ef g2 | 
 gage dedB | AFDF AcBA :|  