Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/2
K:D
['cAGB Adde', 'g2 ge']  
X:1
L:1/8
M:2/2
K:D
 G | AGAB cAGB | Adde fdec | (3AAA AB cAGc | dfed cAGB | AD (3DDD cAGB | Adde f2 fg | 
 (3agf (3gfe fdec | dfed cAA || f | g2 ge c2 e | g2 ge d3 e | f2 fd e2 ec | dfed cAAf | 
 g2 ge a2 af | gfge abag | f2 fd efec | dfed cAA ||  