Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:6/8
K:C
['E Gcd', 'e/d/ cGG', 'dcc a geea ge eg fd dg'  
X:1
L:1/8
M:6/8
K:C
!pp! E | Gcd e2 E | Gcd e e2 | efe ded | fed G2 E | Gcd e2 E | Gcd e2 e | efe ded | c2 c c2 :: 
[M:2/4]!ff! e/d/ | cGG e/d/ | cGG z | B/c/d/e/ fB | dcc :: a | geea | ge eg | fd dg | fd da | 
 ge ea | ge e z | de fB | dcc :|  