Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:4/4
K:Dmin
['A,>D (F/E/)D/C/', 'f>dA>d F>dE>d A>cG>c']  
X:1
L:1/8
M:4/4
K:Dmin
 A,>D (F/E/)D/C/ A<D F2 | A,>D (F/E/)D/C/ A<DF>d | f<ad>f e<gc<d | f>de>c d<DD :| e | 
 f>dA>d F>dE>d | A>cG>c E<CC>e | f<dA>d F>dE>d | f>ag>e f<d d>e | f>dA>d F>dE>d | A>cG>c E<CC>E | 
 D<A,D>E F>G A>a | f>de>c d<DD ||  