Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/4
M:3/4
K:D
['A F']  
X:1
L:1/4
M:3/4
K:D
 A, | (D3/2 E/)F/ G/ | A F A | B A (F/E/) | D B, B/c/ | d c B/c/ | B A F | F F A | B2 B/c/ | 
 d3/2 c/B/ c/ | B A F | A F E/F/ | D B, B,/C/ | D B (A/B/) | F E3/2 F/ | D D E | D2 ||  