Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:6/8
K:G
['gag gdB GAG GAB c2 c cBA', 'GDB, GGG GAB c3 cBA F2 F']  
X:1
L:1/8
M:6/8
K:G
|: gag gdB | GAG GAB | c2 c cBA | E3 E2 g | f2 f fed | fgf f2 e |1 d^cd ed=c | B3 def :|2 
 d^cd =cAF | G3 DEF |: G2 G GDB, | GDB, GDB, | GGG GAB | c3 cBA | F2 F FED | FGF F2 E | DFA cBA |1 
 GFE DEF :|2 G3 def ||  