Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/2
K:D
['DBBA B4 BAdB', 'E2 dffe d3 A BAFA BAFA dffe']  
X:1
L:1/8
M:2/2
K:D
|: DBBA B4 | BAdB AFEF | D F3 A F3 | AFBF AFEF | DBBA B4 | BAdB ABde | f3 e dfec | dBAF BE E2 :: 
 dffe d3 A | BAFA BAFA | dffe defg | afbf afeg | f d3 edBd | A F3 ABde | f3 e dfec | dBAF BE E2 :|  