Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
Q:1/8=112
M:4/4
K:D
['f2 fagf']  
X:1
L:1/8
Q:1/8=112
M:4/4
K:D
|: (FG) |"D" AFDF AFDF |"D" A2 d2"G" d2 (cB) |"D" AFDF"Bm" AFDF |"Em" G2 E2"A7" E2 (FG) | 
"D" AFDF AFDF |"D" A2 d2"G" d2 (de) |"D" fafd"A7" egec |"D" d2"G" d2"D" d2 | (de) | 
"D" f2 f2"B7" fagf |"Em" edcd"A7" efge |"D" f2 f2"B7" fagf |"Em" edcB"A7" A2 (de) | 
"D" f2 f2"B7" fagf |"Em" edcd"A7" efge |"D" fafd"A7" egec |"D" d2"G" d2"D" d2 :|  