Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:G
['B<E B>A', 'B<e e>f']  
X:1
L:1/8
M:4/4
K:G
 e | B<E B>A G<E E>e | B<E B>d e2 e>g | B<E B>A G>E E<e | d>B G<B A2 Ae | B<E B>A G<E E>e | 
 B<E B>d e2 e>g | B<E B>A G>A B<e | d>B G<B A2 A || c | B<e e>f g>BB>A | B<e e>f g2 f>e | 
 B<e e>f g>e B<g | d<B G<B A2 A>c | B<e e>f g>BB>A | B<e e>f g2 f<a | e<g f>e d>B B<g | 
 d<B g>B A2 A ||  