Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/4=112
M:6/8
K:G
['b2 b bab', "d'2 b e'2 e' d'3- d'2"]  
X:1
L:1/8
Q:1/4=112
M:6/8
K:G
"^Allegretto" g/a/ | b2 b bab | c'3{c'} bc'b | a2 a{b} aga | b3 g(ga) | b2 b bab | c'3 b2 d' | 
 b2 g{b} aga | g3- g2 |] (b/c'/) | d'2 b e'2 e' | d'3- d'2 b/c'/ | d'2 b e'2 e' | d'3- d'2 g/a/ | 
 b2 b bab | c'3{c'} bc'b | a2 a{b} aga | b3 gga | b2 b{c'} bab | c'3 b2 d' | b2 g{b} aga | g3 g2 |]  