Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
['G2 DG BGBd c2 AB cdef', 'G2 (3GBd g2 dB GBdg e2 AF']  
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
 BA | G2 DG BGBd | c2 AB cdef | g2 df ecAG | FGAB cAFD | G2 DG BGBd | c2 AB cdef | gdBG FAdc | 
 B2 G2 G2 :| (3GBd | g2 dB GBdg | e2 AF DFAg | f2 ed cdeg | f2 e2 dcBA | G2 DG BGBd | c2 AB cdef | 
 gdBG FAdc | B2 G2 G2 :|  