Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/4
Q:1/2=90
M:3/4
K:G
['G F2 D E3-']  
X:1
L:1/4
Q:1/2=90
M:3/4
K:G
 E E F | G2 B | G F2- | F3 | E3/2 F/ G | F2 D | E3- | E3 | z B B | B2 A | B G2- | G3 | G A B | 
 (B A) G | F3- | F3 | E B B | B2 G | F E2- | E3 | G/ G/- G G | F2 D | E3- | E3 ||  