Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:3/4
K:D
['F3 E D2 C2 D2 E2', 'f2 f2']  
X:1
L:1/8
M:3/4
K:D
 D2 D2 D2 | F3 E D2 | C2 D2 E2 | F3 E D2 | C2 D2 E2 | F2 cBcA | fdcBAB | c6 :: f2 f2 f2 | g2 gfge | 
 e2 e2 e2 | f2 fefd | AGABcd | ecAE F2 | (3GFE D2 E2 | F6 :|  