Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/2=80
M:4/4
K:C
['G c3 G', 'Td3 d>cd>e d2 G2 d>cd>e Tf4 e>de>f']  
X:1
L:1/8
Q:1/2=80
M:4/4
K:C
 G | c3 G c3 G | c>Bc>d e>d c2 | e>de>f g2 f>e | d2 d>d Td3 :: d>cd>e d2 G2 | d>cd>e Tf4 | 
 e>de>f g2 f>e | d3 c c4 :|  