Utilize the given musical motif and the alphabetic representation of the specified sequence to create a musical piece.
X:1
L:1/8
M:2/2
K:D
['A2 FA', 'dB B2', 'defe dBAG FD D2', 'dBAF AD']  
X:1
L:1/8
M:2/2
K:D
 A2 FA df f2 | dfef dB B2 | A2 FA dffe | dBAG FDDB | A2 FA df f2 | afef dB B2 | A2 FA dffe | 
 dBAG FD D2 |: a2 a2 afdf | afef dB B2 | fbba bafa | bfaf feef | bf f2 af f2 | afef dB B2 | 
 A2 FA dffe |1 dBAF AD D2 :|2 dBAF ADDB ||"^Variations:" A2 FA dfef | df (3efe dB B2 | A2 FA defe | 
 dBAG FD D2 | A2 FA df f2 | afgf efdB | (3ABA FA defe | dBAG FD D2 |: a3 z afdf | afef dB B2 | 
 fbba babc' | d'c'ba feef | bf f2 af f2 | afef efdB | (3ABA FA defe |1 dBAF AD D2 :|2 dBAF AD D2 ||  