Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
Q:1/4=150
M:4/4
K:D
['d6 ef g3 f e2 d2 B6']  
X:1
L:1/8
Q:1/4=150
M:4/4
K:D
"D" D3 F A2 Bc | d6 ef |"G" g3 f e2 d2 |"Em" B6 ef |"G" g2 fe"A" a3 g |"D" f2 d2"G" g2 ag | 
"D" fafd"A7" egec |1"D" d2 AG"A7" FEDC :|2"D" d6 fg |]"D" a3 g"^Ay" f2 ec |"D" d6 ef | 
"G" g3 f e2 d2 |"Em" B6 ef |"G" g2 fe"A" a3 g |"D" f2 d2"G" g2 ag |"D" fafd"A7" egec |1 
"D" d4"A7" defg :|2"D" d8 |]  