Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/8=120
M:2/2
K:Gmix
['g3 d']  
X:1
L:1/8
Q:1/8=120
M:2/2
K:Gmix
 g3 d g3 d | gfed g2 B2 | c2 A2 d2 d2 | A4 A4 | GGGG GABc | ddde d2 B2 | cdec d3 c | B8 ||  