Develop musical compositions in alignment with the designated form and the offered musical notion.
X:1
L:1/8
M:2/4
K:D
['F>A B2 A2 A>fe>d c2 B2 B2', 'f>g a>fd>f A>fd>f a2'  
X:1
L:1/8
M:2/4
K:D
 F>A | B2 A2 A>fe>d | c2 B2 B2 e>d | c>de>f g>eB>c | d>ef>d A2 F>A | B2 A2 A>fe>d | c2 B2 B2 e>d | 
 c>de>f g>eB>c | d2 d2 d2 :: f>g | a>fd>f A>fd>f | a2 g>f g2 e>f | g>ec>e A>ec>e | g2 f>e f2 f>g | 
 a>fd>f A>fd>f | a2 g2 B2 e>d | c>de>f g>eB>c | d2 f2 d2 :|  