Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:6/8
K:D
['A2 A c/d/ec AcA c2 B AcA', 'a3 efg', 'cAA Bee', 'aec aec']  
X:1
L:1/8
M:6/8
K:D
 A2 A c/d/ec | AcA c2 B | AcA Ac/d/e/c/ | BGB d2 B | A3 Ac/d/e/c/ | A>Bc aec | d<Bd c<Ac | 
 BGB d2 B :: a3 efg | agf ecA | a3 efg | BGB d2 B | a3 efg | agf edc | d<Bd c<Ac | BGB d2 B :: 
 cAA Bee | cAA Bcd | cAA Bee | BGB Bcd | cAA Bee | ABc aec | d<Bd c<Ac | BGB d2 B :: aec aec | 
 A>Bc e2 c | aec aec | BGB d2 B | aec aec | A>Bc aec | d<Bd c<Ac | BGB d2 B :|  