Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/4
M:3/4
K:D
['A F', 'A B']  
X:1
L:1/4
M:3/4
K:D
 D3/2 E/ F | A2 d | B A F | A F E | D3/2 E/ F | A2 A | B A F | E2 A, | D3/2 E/ F | A2 d | B A F | 
 A3 | A B d | F2 E | F/E/ D2 | D3 :| d3/2 c/ d | B2 A | B A F | A3 | d3/2 c/ d | B2 A | B A F | 
 E3 | d3/2 c/ d | B2 A | B A F | A3 | A B d | F2 E | F/E/ D2 | D3 | d3/2 c/ d | B2 A | B A F | A3 | 
 d3/2 c/ d | B2 A | B A F | E3 | D3/2 E/ F | A2 d | B A F | A3 | A B d | F2 E | F/E/ D2 | D3 |]  