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:Dmin
['DD A,D E2 z2 FF CF G2', 'z2 AA FA (BA) (G4 d3) F']  
X:1
L:1/8
M:4/4
K:Dmin
"A" |:"Dm" DD A,D F2"A7" E2 |"Dm" D6"C7" z2 |"F" FF CF A2"C7" G2 |"F" F6 z2 | 
"F" AA FA c2"D7" (BA) |"Gm" (G4 d3) F |"Dm" (AG) (GF)"A7" (FE) (ED) |"Dm" D6"^fine" z2 :|"B" |: 
"Dm" (FG)"Gm" GF"Dm" F4 |"Dm" (FG)"Gm" GF"Dm" F4 |"Dm" (FG)"Gm" GF"Dm" (FE) ED |1 
"Gm" G2"Dm" F4 z2 :|2"A7" (EF)"Dm" D4 z2 ||"C" |:"F" (AB)"C7" BA"F" A4 |"F" (AB)"C7" BA"F" A4 | 
"F" (AB)"C7" BA"F" (AG) GF |1"C7" B2"F" A4 z2 :|2"C7" (AG)"F" (F4"A7" E2) |]  