Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:4/4
K:G
['dBAG FAAc', 'g2 ga/b/']  
X:1
L:1/8
M:4/4
K:G
 g | dBAG FAAc | BGBd g2 fe | dBAG FAAc | EGFA G2 G :| g2 ga/b/ afed | g2 ga/b/ a2 d2 | 
 g2 ga/b/ afed | egfa g2 g :|  