Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:4/4
K:D
['FA A2', 'fd d2']  
X:1
L:1/8
M:4/4
K:D
|: FA A2 BAAG | FAAd (3Bcd AG | FA A2 BAdB |1 AF F2 EDCE :|2 AF F2 EDde || fd d2 BdAd | 
 fded (3Bcd Ae | fd d2 BcdB | AF F2 EFDe | fd d2 BdAd | fded (3Bcd Ae | fd d2 BcdB | 
 AFEF D2 (3G^GA ||  