Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['d g2 g gfe d2 c Bcd', "g2 g/a/ b2 b bgb d'3 b2"]  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 d | g2 g gfe | d2 c Bcd | e2 a fdf | g3- g2 :: g/a/ | b2 b bgb | d'3 b2 g | a2 a aga b3 g2 d | 
 g2 g gfe | d2 c Bcd | e2 afdf | g3- g2 :|  