Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/4
K:G
['.c3 .B3']  
X:1
L:1/8
M:2/4
K:G
 D | GG AG | FD z D | GG (2:3:2A3 .A3 .B3 .c3 | .d2 z B | dd cA | FG z G | 
 Ad (2:3:2c3 .c3 .B3 .A3 | .G2 z B | dd dB | c2 z A | dd cB | c2 z2 | dd c3 .c3 .B3 | .AA AG | 
 G3 .G3 .D3 .DD | c2 (BA) | G2 A3/2 G/ | FD z2 | GG AB | c2 z2 | d3/2 B/ c(B/A/) | FG z2 | 
 Ad (2:3:2c3 .c3 .B3 .A3 | .G3 ||  