Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
Q:1/4=146
M:3/4
K:Dmin
['f>a (3geg (3(fd!tenuto!f)', '(3A2 (^c2 d2) e>g (3:2:4f3/2e/ d2 e2']  
X:1
L:1/8
Q:1/4=146
M:3/4
K:Dmin
 (3:2:4A3/2(a/ g2 e2) f>a | (3geg (3(fd!tenuto!f) e>(^c | (3:2:4d)(^c d2) e2 f>a | 
 (3geg (3(fd!tenuto!f) e>^c | (3:2:4A3/2(a/ g2 e2) f>a | (3geg (3(fd!tenuto!f) e>(d | 
 (3:2:4^c)(A c2) d2 e>f | (3de^c d3 z :| (3A2 (^c2 d2) e>g | (3:2:4f3/2e/ d2 e2 fe/d/ | 
 (3:2:4^c(A c2) d2 e>f | de ^c>(d =B)c/B/ | (3A2 (^c2 d2) e>g | (3:2:4f3/2e/ d2 e2 fe/d/ | 
 (3:2:4^c(A c2) d2 e>f | (3de^c d3 z :|  