Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/2=90
M:2/2
K:G
['f g2 dc B2 AG FGAB cAAf', 'B DGBG AGBG DGBG cAAB Bcde gedc']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:G
 f | g2 dc B2 AG | FGAB cAAf |"^NB" gfef gdcB | AcAc BGG :: B | DGBG AGBG | DGBG cAAB | Bcde gedc | 
 BdAc BGG :|  