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
['', 'E GABc{d} cBBA fdcA BGGE FGAB c2', 'B2 AF']  
X:1
L:1/8
M:4/4
K:G
 D2 E |: GABc{d} cBBA | fdcA BGGE | FGAB c2 Bc | (3dcB{c} BA BGAF | GBAc Bdce | dgfa gfdc | 
 (3Bcd gf dBAc |1 BGAF DGGF :|2 BGAF DGBd |: g2 dg Bgdg | gbag fdde | =f2 cf Afcf | =fedc AG^FD | 
 Gg g2{a} gfdc | Bcde fd^cd | gfde fdcA |1 B2 AF DGGf :|2 B2 AF DGGF ||  