Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/4=80
M:6/8
K:D
['DDE FAB =c>dc BDD DFA ABc d3']  
X:1
L:1/8
Q:1/4=80
M:6/8
K:D
"_vb" DDE FAB | =c>dc BDD | DFA ABc | d3 F3 | (dBd) (cBA) | (GFG) (A2 B) | (AFD) (DEF) | E3 D2 d | 
 dBd cBA | GFG ABB | AFD DEF | E3 D3 |]  