Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/8
M:2/4
K:G
['G B2 (d d) g2 b', 'd) g2 b']  
X:1
L:1/8
M:2/4
K:G
 G B2 (d | d) g2 b | dcBA | B/G/F/G/ AD | G B2 (d | d) g2 b | (f/g/a) cB | B A2 :: A | ^c2 (e | 
 d) g2 b | agfe | f/d/c/d/ eA | B/G/F/G/ AD | G B2 (d | d) g2 b | dcBA | G2 G,2 :|  