Compose a musical piece by utilizing the given alphabetic form and motif.
X:1
L:1/4
M:6/4
K:D
['A B']  
X:1
L:1/4
M:6/4
K:D
 A | A3/2 F/ D D D D | D3/2 F/ A B A F | F3/2 E/ E21/2 E E E | E3/2 F/ A B A F | A B c d3/2 d/ d | 
 f d d d3/2 B/ A | B B B B3/2 c/ d | F D E D ||  