Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:C
['DGGF G2 GA', 'G2 Bc dgfa g2 ga bgag bgaf'  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:C] e!p!ee[Q:1/8=180]"^G modal" .GF | DGGF G2 GA | BGdG eGdG | DFFE F2 FG | AFcF dFcF | 
 DGGF G2 GA | BAGA Bcde | fefd cBAc | BGAF G2 :| Bc | dgfa g2 ga | bgag bgaf | d^cde fefg | 
 afgf af g2 | Bgfa gfga | bgag fdde | fefd cBAc | BGAF G2 :|  