Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:D
['DFFG AFFG AB g2 fe']  
X:1
L:1/8
M:4/4
K:D
 A |"D" DFFG AFFG |"D7" AB (3(def)"G" g2 fe |"D" dedB ABde |"Em" fede"A7" fedA |"D" DFFG AFFG | 
"D7" AB (3(def)"G" g2 fe |"D" dedB"Bm" ABdf |"A7" afea"D" fd d :: f |"D" abag fgfe | 
"D7" dedc"G" BG G2 |"Em" eg (3(gfg) bggb |"D" affa"A7" geed |"D" DFFG AFFG | 
"D7" AB (3(def)"G" g2 fe |"D" dedB"Bm" ABdf |"A7" afea"D" fd d :|  