Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:4/4
K:G
['c Bddg e(cc)d B(GG)B A(FF)A Bddg eccd', 'G d BGdG BGdG AFcF AFcF BGdG'  
X:1
L:1/8
M:4/4
K:G
 c | Bddg e(cc)d | B(GG)B A(FF)A | Bddg eccd | BGAF G/G/G G :: d | BGdG BGdG | AFcF AFcF | 
 BGdG B/A/B/c/ dg | AFcF G/G/G G :|  