Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:2/4
K:G
['GB dg d2 B2 cA FD']  
X:1
L:1/8
M:2/4
K:G
"G" GB dg | d2 B2 |"D7" cA FD |"G" G/F/G/A/ GD | GB dg | d2 B2 |"D7" cA FD |"G" G2 G2 ||"D" df af | 
 d2 d2 |"G" gb ag |"D" f2"A7" e2 |"D7" de fd |"G" g/f/g/a/ gd | Bd cB |"D7" A2 A2 |"G" GA"Em" BG | 
"Am" c2 c2 |"D7" AB cA |"C" e2 e2 |"D7" AB cA |"G" dg fg | B2"D7" A2 |"G" G2 G2 |]  