Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/2
K:F
['c2 AF G2 FG ABAG FGFD CA,', 'DB,DF ECEG', 'DCB,A, G,2 F,G,']  
X:1
L:1/8
M:2/2
K:F
 ABAG F2 c2 | c2 AF G2 FG | ABAG FGFD | CA, FC D4 | ABAG F2 c2- | c2 AF G2 FG | ABAG FGFD | 
 CA, FC D4 || DB,DF ECEG | FC AF G2 FE | DB,DF ECEG | FCA,G, F,4 | DB,DF ECEG | FC AF G2 FE | 
 DB,DF ECEG |[M:3/2] FCAF G6 FE ||[M:2/2]"^Bridge" DCB,A, G,2 F,G, | A,2 F,2 F,2 FE | 
 DCB,A, G,2 F,G, | A,2 C2 D3 F | DCB,A, G,2 F,G, | A,CA,G, F,2 FE | DCB,A, G,2 F,G, | A,2 C2 D4- | 
 D8 ||  