Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:2/2
K:G
['(g/f/) gG G(d/c/) BG G(g/f/) gG G(c/B/)', 'G/G/G ga', 'gG B/c/d/c/ BG B/c/d/B/', 'G/G/G (TB>A)']  
X:1
L:1/8
M:2/2
K:G
 (g/f/) | gG G(d/c/) BG G(g/f/) | gG G(c/B/) A=F F(g/^f/) | g G2 d/c/ BGGB | 
 (3(cdc) (3(BcB) A=FF :| A | G/G/G g>a gGGB | G/G/G ga bAAB | G/G/G ga (Tf3/2e/8f/8) g2 | 
 cgBg A=FF :| (g/f/) | gG B/c/d/c/ BG B/c/d/B/ | gG B/c/d/B/ A=F A/B/c/A/ | 
 gG B/c/d/c/ BG B/c/d/B/ | (3(cdc) (3(BcB) A=FF :| A | G/G/G (TB>A) (BG)(TBA) | G/G/G (B>G) A=FAF | 
 G/G/G (TB>A) (BG) (TBA/B/) | (3(cdc) (3(BcB) A=FF :|  