Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:6/8
K:G
['', 'DS (G2 B) (B2 d) d3- dcB', 'z b3- b2 B']  
X:1
L:1/8
M:6/8
K:G
 DS |: (G2 B) (B2 d) | d3- dcB | (A2 c) (c2 e) | (e3 de)f | g2 g (gf)e | e2 d dcB | B2 A ABA | 
 G3 [gBDG,]2 |] !fermata!B |!f!"_>" e2 z"_>" g2 z | b3- b2 B |"_>" ^d2 z"_>" f2 z | b3- b2 B | 
!p!"_>" c3"_>" e3 | g3- g=fe | (e2 d) (=f2 e) | a3 g=fe | d2 d (de)d | c2 e g2 e | d2 d (de)d | 
 c2 c' g2 e |!f! ddd =fff | eee ggg | (^fe)d (ed)^c | (de)d"^D.C. al" =cBAS |]  