Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/16
Q:3/8=60
M:6/8
K:G
['B3 d']  
X:1
L:1/16
Q:3/8=60
M:6/8
K:G
 G2>A2 | B4 c3 c d4 | B3 d c3 B c3 A | B8 (G2>A2) | B4 c3 c d4 | B3 d (c2B2) c3 A | G8 z4 | 
 z4 (3d2e2f2 | g4 f3 e{e} d2 | B3 d c3 B c3 A | B6 (3d2e2f2 | g4 f3 e{e} d4 | B3 d c3 B c3 A | 
 G12 | B12 | c12 | F8 A4 | G8 d3 f | g4 f2.e2{e} d4 | B3 d c2>B2 c3 A | G8 |]  