Develop musical compositions in alignment with the designated form and the offered musical notion.
X:1
L:1/8
M:4/4
K:D
['B A']  
X:1
L:1/8
M:4/4
K:D
 F G | A B A F E D E F | B3/2 A/ B3/2 c/ d c | B e d c B3/2 A/ B c | B4 z2 e e | f e d c B2 d B | 
 A B A F (E D) F A | d B A F E D E F | D2 B3/2 B/ B2 d B | A F E D E3/2 D/ E F | D6 |]  