Devise harmonic sequences employing the allotted musical pattern and proposed motif.
X:1
L:1/8
M:2/4
K:D
['affa affa bgec', 'cccc dd de/f/'  
X:1
L:1/8
M:2/4
K:D
 a | affa | affa | bgec | d/c/d/e/ da | affa | affa | bgec | d2 d :: e/d/ | cccc | dd de/f/ | 
 gggg | f/e/f/g/ ff | cccc | dd de/f/ | gedc | d2 d :|  