Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/8
M:2/4
K:G
['D G/A/B/c/ dg dB/A/ GA/B/ cA BG', 'G3 g gd dB BG B/c/d c', 'd3 g gd dB BG B/c/d c'  
X:1
L:1/8
M:2/4
K:G
 D | G/A/B/c/ dg | dB/A/ GA/B/ | cA BG | F D2 F | EC CE | cE Ec | B/c/d DF | G3 :| g | gd dB | 
 BG B/c/d | c A2 a | aA A/B/c | BG cA | dB gg | f/g/a A^c | d3 || g | gd dB | BG B/c/d | c A2 a | 
 aA A/B/c | BG cA | dB gc | B/c/d DF | G3 |]  