Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
M:4/4
K:Emin
['EE B,E F2 z2 GG DG A2', 'GF FE']  
X:1
L:1/8
M:4/4
K:Emin
"^A" |:"Em" EE B,E G2"B7" F2 |"Em" E6"D7" z2 |"G" GG DG B2"D7" A2 |"G" G6 z2 |"G" BB GB d2"E7" cB | 
"Am" A4 e3 G |"Em" BA AG"B7" GF FE |"Em" E6 z2 :|"^B" |:"Em" GA"Am" AG"Em" G4 | 
"Em" GA"Am" AG"Em" G4 |"Em" GA"Am" AG"Em" GF FE |1"Am" A2"Em" G4 z2 :|2"B7" FG"Em" E4 z2 |"^C" |: 
"G" Bc"D7" cB"G" B4 |"G" Bc"D7" cB"G" B4 |"G" Bc"D7" cB"G" BA AG |1"D7" c2"G" B4 z2 :|  