Develop musical compositions in alignment with the designated form and the offered musical notion.
X:1
L:1/8
M:4/4
K:D
['DEFA d2 ed dBcA', 'gBfe defg a2 fa gfeg fddc defg'  
X:1
L:1/8
M:4/4
K:D
 DEFA d2 ed | dBcA BDGB | AGFE D2 FA | dBAF E2 F | DEFA d2 ed | dBcA ABGB | AGFE DEFA |1 
 B/c/d ea fddA :|2 B/c/d ea fdde |: fgaf dcdf | eBfB gBfe | defg a2 fa | gfeg fddc | defg afdf | 
 edcd efge | f/g/a ef d3 d |1 dBAF EFDg :|2 dBAF E2 F ||  