Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:D
['d2 ec d2 AG FDFA dAFA G2', 'ba^ga fdAF G2 ef']  
X:1
L:1/8
M:4/4
K:D
 A2 | d2 ec d2 AG | FDFA dAFA | G2 BG E2 ef | gece dcBA | d2 ec d2 AG | FDFA dAFA | G2 BG E2 ef | 
 gece d2 :: A2 | df(3fgf gece | da^ga ba^ga | fdAF G2 ef | ge(3efe ge(3efe | df(3fgf gfga | 
 ba^ga ba^ga | fdAF G2 ef | gece d2 :|  