Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/16
Q:1/4=70
M:2/4
K:D
['z2 efge f2d2 d4']  
X:1
L:1/16
Q:1/4=70
M:2/4
K:D
 A2 |"D" dfdA fgfd | a2a2 a2f2 |"Em" gage"D" fgfd |"A" e2e2 e2A2 |"D" dedA fgfd | a2a2 a2f2 | 
"Em" gage"Bm" faec |"D" d2d2 d2 :: z2 |"D" ABcd"Em" efge |"D" f2d2 d4 |"Em" gage"D" fgfd | 
"A" cdec"D" A2 z2 |"D" ABcd"Em" efge |"D" f2d2 d4 |"Em" efge"A" cdec |"D" d2d2 d2 :|  