Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:1/8=120
M:6/8
K:G
['B (BcB)', 'B (BcB)']  
X:1
L:1/8
Q:1/8=120
M:6/8
K:G
 (gf/e/) | d2 B (BcB) | A2 A (ABA) |"^BAR ADDED" B2 B BcB | g3 (f2 e) | d2 B (BcB) | A2 A (ABA) | 
 B2 B (BcB) | d3 f3 :: d2 e f2 g | a2 b a2 f | d2 e f2 g | a3 f2 a | b2 g a2 f | g2 e f2 d | 
 d2 B (BcB) | g3 (f2 e) | d2 B (BcB) | A2 A (ABA) | B2 B (BcB) | g3 (f2 e) | d2 B (BcB) | 
 A2 A (ABA) | B2 B (BcB) | d3 g3 :|  