Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:1/2=80
M:4/4
K:Dmin
['DE key or time sig in F2', 'A2 dcde dcde f2 F2- F2 fe']  
X:1
L:1/8
Q:1/2=80
M:4/4
K:Dmin
 DE |"_No key or time sig in MS" F2 DE D2 AG | F2"^D in ms" EF D2 A2 | B2 AB G2 (cB) | 
 A2 F2- F2 AG | F2 dF"^NB" E2 cE | DFED ^C2 AG | FEDF A,D"^NB2"^CE | D6 || A2 | dcde dcde | 
 f2 F2- F2 fe | dcBA GAGF | E2 ^C2- C2 DE | F2 FF G2 GG | A2 A2 d4 | c2 F2 B4 | A2 D2 G4 | 
 F2 E2 DFED | ^C2 A,2- A,2 AG | FEDF A,D"^NB2"^CE | D6 |]  