Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
Q:1/4=180
M:4/4
K:D
['d d']  
X:1
L:1/4
Q:1/4=180
M:4/4
K:D
 A |"D" d2 d"A7" e |"D" f2 e f |"G" g g"A7" f e |"D" d3 ::[K:G] e/f/ |"G" g f"C" e d | 
"D" d c"G" B B/c/ |"D" d d"C" c B |"D7" A2"G" G :: B |"G" B3/2 c/ d d |"C" e c"G" d2 | 
"G" B3/2 c/ d d |"C" e c"G" d B/c/ |"D" d d"C" c B |"D7" A2"G" G :|  