Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
Q:1/2=70
M:4/4
K:G
['c .Bd-d.B .ce-e.c .Bd-d.B cA A2 .Bd-d.B', '(Bc) .d2 (ef) .g2'  
X:1
L:1/8
Q:1/2=70
M:4/4
K:G
 c | .Bd-d.B .ce-e.c | .Bd-d.B cA A2 | .Bd-d.B ce-e.c | BdAc BG G :: A | (Bc) .d2 (ef) .g2 | 
 BcdB cA A2 | (Bc) .d2 (ef) .g2 | BcAc (BG)"^cr. in ms" .G :|  