Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/4
M:3/4
K:Amin
['B B', '^F2 ^G3 A A ^F ^G2 A']  
X:1
L:1/4
M:3/4
K:Amin
|: E E A |"^+" ^G2 G | A A2 |"^+" B3 | B B B | c3/2 B/ A | ^G2 A |"^+" B3 :: B B B | c2 B | A ^F2 | 
"^+" ^G3 | A A ^F | ^G2 A | B"^+" B2 | A3 :|  