Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:4/4
K:G
['', 'Bc (3dgd (3BdB (3GBG Dc BDGB', 'AB cAFA c2 eg dBGB D2 Bc']  
X:1
L:1/8
M:4/4
K:G
 Bc |: (3dgd (3BdB (3GBG Dc | BDGB dBGB | (3cdc (3BcB (3ABA (3GAG | FdE^c D2 Bc | 
 (3dgd (3BdB (3GBG Dc | BDGB cdef | (3gfe (3dcB (3edc (3BAG |1 (3FGA (3DEF G2 Bc :|2 
 (3FGA (3DEF G2 |: AB | cAFA D2 AB | cAFA c2 eg | dBGB D2 Bc | dBGB (3dBd (3gf=f | 
 ecGc (3ece (3gfe | (3ded cB A2 Bc | dgec BGAF | GgdB G2 :|  