Integrate the motif and the alphabetically denoted musical sequence to compose a novel music piece.
X:1
L:1/4
M:3/4
K:Ddor
['F E', 'B c', 'A G E F']  
X:1
L:1/4
M:3/4
K:Ddor
 A | F E D | A3/2 B/ A | G E C | D2 G |"^(a)" A2 A | c B G | A3- | A2 G | A A d | c B A | A D E | 
 F2 F | G3- | G2 F/G/ |"^(b)" A3/2 c/ A | G F E | D2 |]"^(a) var.i" A B c | d c B | A3 || 
"^(a) var.ii" A B c | d B c | A3 ||"^(b) var." A3/2 B/ A | G E F | D2 ||  