Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/4
Q:1/8=120
M:4/4
K:Bb
['B3/2 A/ G B c3/2 B/ A', 'e d']  
X:1
L:1/4
Q:1/8=120
M:4/4
K:Bb
"^Maestoso" B3/2 A/ G B | c3/2 B/ A F | G2 A3/2 A/ | B4 | B3/2 A/ G B | c3/2 B/ A F | G2 A3/2 A/ | 
 B4 |: e d e f | g f e d | e d c B | d c B A | B3/2 A/ G B | c3/2 B/ A F | G2 A3/2 A/ | B4 :|  