Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:6/8
K:G
['B GAB gfe dBG', 'ece dBd']  
X:1
L:1/8
M:6/8
K:G
 B | GAB gfe | dBG ABd | e2 A A2 B | GAB gfe | dBG ABc | G B2 G G2 :: g | ece dBd | ece dBd | 
 c2 A A2 g | ece dBd | gfe dAc | TB2 G G2 :|  