Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/4
M:4/4
K:C
["F c g c'2 g c F"]  
X:1
L:1/4
M:4/4
K:C
"^1" C"^2" D"^3" E"^1" F |"^2" G"^3" A"^4" B"^1" c |"^2" d"^3" e"^1" f"^2" g | 
"^3" a"^4" b"^5" c'2 |"^5" c'"^4" b"^3" a"^2" g |"^1" f"^3" e"^2" d"^1" c | 
"^4" B"^3" A"^2" G"^1" F |"^3" E"^2" D"^1" C"^2" B, |"^1" C4 ||  