Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
M:3/2
K:D
['(df)(eg) f2 d4 AF G2 B2 (gf)(ed)', 'd4 (fa)(fd){f} e2 (dc){e} d2 (cB) (ce)(cA)'  
X:1
L:1/8
M:3/2
K:D
 (df)(eg) f2 d4 AF | G2 B2 (gf)(ed) (dc)(BA) | (Bg)(ed) (ca)(fe) (df)(gf) | 
 (ec)(dB) (AF)(GE) (FA)(Bc) | (df)(eg) f2 d4 AF | G2 B2 (gf)(ed) (dc)(BA) | 
 (Bg)(ed) (ca)(fe) (db)(ag) | (fa)(fd) (Adce) d4 :: (fa)(fd){f} e2 (dc){e} d2 (cB) | 
 (ce)(cA) (dc)(BA){A} ^G2 (FE) | (Fd)(BA) (^GB)(ed) (ce)(ae) | (fd)(ec) (dB)(A^G) A2 (Bc) | 
 (df)(eg) f2 d4 AF | G2 B2 (gf)(ed) (dc)(BA) | (Bg)(ed) (ca)(fe) (db)(ag) | (fa)(fd) (Adce) d4 :|  