Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/4=160
M:2/4
K:Bmin
['D2 E2', 'ED E2']  
X:1
L:1/8
Q:1/4=160
M:2/4
K:Bmin
 z2"D" D2 |:"A" E2 EF |"D" D2"A" CD | ED CD | E2 ED | E2 EF |"Em" GA GF | GF"A" ED | E2 E2 :| 
 z2"A" E2 |: A2 AB |"Em" G2"D" FE |"A" AAAB |"Em" G2"D" FE |"A" AG"Em" GF |"D" FE"A" ED | 
 EF"Em" GF |"A" E2 E2 :|  