Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/4
M:3/4
K:G
['B c A B G A F']  
X:1
L:1/4
M:3/4
K:G
 D |"G" G B/A/ G/F/ |"C" E F G |"D7" D E F |"G" G3/2 z/ :| B |"C" c c"D" A |"G" B B"Em" G | 
"Am" A A"D" F |"Bm" d2 B |"Am" c c"D" A |"G" B B"Em" G |"Am" A A"D" F |"G" G3/2 z/ |]  