Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/4
K:G
['', 'gf ed B/c/d/B/ GB Ae ed', 'e2 ed']  
X:1
L:1/8
M:2/4
K:G
 B/d/ |: gf ed | B/c/d/B/ GB | Ae ed | GA Bd | gf ed | B/c/d/B/ GB | Ae ed |1 G2 G B/d/ :|2 
 G2 G2 |: B A/B/ G2 | A B/A/ e2 | ed ed | GA Bd | B A/B/ G2 | A B/A/ e2 | ed ef | g2 g2 :|  