Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:4/4
K:G
['c2 B2 BA', 'Bd A2']  
X:1
L:1/8
M:4/4
K:G
"Am" c2 (3ccc"G" B2 BA | GABc dBAG |"Am" c2 (3ccc"Em" B2 BA | E2 A2"D" A4 |"Am" c2 (3ccc"G" B2 BA | 
 GABc dBAG |"C" gfge"G" dBAG |"Am" E2 A2 A4 :|"Am" ABcd efge |"D" afdf"Em" edcB |"Am" ABcd efge | 
"D" afdf"Em" e2 fg |"Am" a2 af"G" g2 ge |"C/G" c2 ce"G" dB G2 |"C" c2 (3ccc"Em" BABG | 
"Am" E2 A2 A4 :|[K:G]"Am" c2 ce"G" dc B2 |"Am" cB A2"G" BA G2 |"Am" c2 ce"G" dc B2 | 
"Am" cA"G" BG"D" A2 A2 :|"C" g2 (3gfe"G" dB G2 |"C" g2 (3gfe"D" af d2 |"C" g2 (3gfe"G" dB GB | 
"Am" cA"G" BG"D" A2 A2 :|[K:D]"A" ^c2 ce"E" dc Bd |"A" cB AA"Em" GF EB |"A" c2 ce"E" dc Bd | 
"A" cA"G" BG"D" A2 A2 :|"Em" g2 (3gfe"Bm" dc B2 |"Em" g2 (3gfg"A" ag ef |"Em" g2 (3gfe"Bm" dc Bd | 
"A" cA"G" BG"D" A2 A2 :|  