Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:G
['f2 e>d', 'f2 e>d'  
X:1
L:1/8
M:4/4
K:G
|: B>c | d>Be>d B2 g2 | f>eg>e c2- c>d | f2 e>d f2 e>d | B2 A2 B2 B>c | d>Be>d B2 g2 | 
 f>eg>e c2- c>d | f2 e>d ^c>de>f | g2 b2 g2 :: d>g | b2 b2 b>dc>b | a2 e2 e2 a>g | f2 e>d f2 e>d | 
 B2 A2 B2 B>g | b2 b2 b>dc>b | a2 e2 e2 a>g | f2 e>d ^c>de>f | g2 b2 g2 :|  