Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/16
M:2/4
K:D
['a2)fg a2bf afe(A d2>)(f2']  
X:1
L:1/16
M:2/4
K:D
 (fg | a2)fg a2bf | afe(A d2>)(f2 | g)(fg)(g b2)(a2 | a)fe(A d2)(fg | a2)fg a2bf | afe(A d2>)(f2 | 
 f)(ef)(A B)Bd2 | (B g2) (B g2>)(B2 | =c)(Bc)B BBA(D | G2)A2 BAB(B | A)GE2 D2>e2 | 
 fef(f e)(Ac2)(d f2) (d f4) ||  