Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/16
M:2/4
K:G
['BGAG BGAG cedB', 'fgag bged']  
X:1
L:1/16
M:2/4
K:G
 (Gc) | BGAG BGAG | cedB (AGFG) | BGAG BGAG | cedB G2(Gc) | BGAG BGAG | cedB A2>c2 | Bdef{a} gfge | 
 dcAF G2 :: G2 | Tg8 | fgag bged | Bdef{a} gfge | dcAc .B(GFG) | Bdef{a} gfge | fgag bged | Tg8 | 
 dcAF G2 :|  