Utilize the given musical motif and the alphabetic representation of the specified sequence to create a musical piece.
X:1
L:1/8
M:4/4
K:D
['AF F2 ABdf']  
X:1
L:1/8
M:4/4
K:D
 AF F2 ABdf | eB B2 EBdG | AF F2 ABdf | efdB ABdG | AF F2 ABdf | eB B2 g2 fg | gffg fdAF | 
 G2 GF GF E2 :|  