Develop a musical piece with the given motif, ensuring that it reflects the mentioned musical form.
X:1
L:1/8
M:4/4
K:D
['z2 z2', 'AGFE D2 F2 D2'  
X:1
L:1/8
M:4/4
K:D
 z2 z2 z2 FE |:"D" DDFA dAFD |"C" =CDEF G2 FE |"D" DDFA dcde |"E" edcB"A" AGFE |"D" DDFA dAFD | 
"C" =CDEF G2 FG |"D" AdcB"A" AGFE |"D" D2 F2 D2 FE ::"D" fefg"^(F#m)" fedc |"G" BABc B2 cf | 
"E" efefedcB |"A" ABce a2 Bc |"D" dcde fdAF |"G" GFGA BdcB |"A" AdcB AGFE |1"D" D2 F2 D2 de :|  