Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:6/8
K:D
['d2 A']  
X:1
L:1/8
M:6/8
K:D
 A |"D" d2 A F>AF | D2 D D2 F |"Em" G2 F E2 D |"A7" DCB, A,2 A |"D" d2 A F>AF |"Bm" D2 D D2 A | 
"Em" B2 G"A7" E2 C |"D" D2 D D2 :: A |"D" A2 A A>B=c |"G" =cBB B3 |"E7" B2 B Bcd |"A7" dcc c2 A | 
"D" d2 A f2 d |"F#m" aaf"Bm" d2 A |"Em" BBG"A7" E2 C |"D" D2 D D2 :|  