Craft a musical composition that adheres to the specified musical theme and letter-based structure.
X:1
L:1/8
Q:1/4=60
M:2/4
K:Edor
['de fd/A/ B>c BA', '[FA]D FA AF/A/ B>c BA dF EG']  
X:1
L:1/8
Q:1/4=60
M:2/4
K:Edor
 A |:"D" de fd/A/ |"G" B>c BA |"D" de fd |"A" af ec |"D" de fd/A/ |"G" B>c BA |"A" dF EG |1 
"D" FD FA :|2"D" FD DD/D/ |:"D" [FA]>[GB] [FA]D | FA AF/A/ |"G" B>c BA |"A" dF EG | 
"D" [FA]>[GB] [FA]D | FA AF/A/ |"G" B>c BA |"A" dF EG |1"D" FE DD/E/ :|2 FE D z |:"Em" G>E GA | 
 BA Bc |"D" dA FA |"Em" G>E GA | BA Bc |"D" dA FD |"Em" E2 E2 ::"Em" !>!e!>!e B/c/d | ed B>c | 
"D" dA FA | dc BA |"Em" !>!e!>!e B/c/d | ed B>c |"D" dA FD |1"Em" E2 E2 :|  