Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:2/4
K:C
['cB AG']  
X:1
L:1/8
M:2/4
K:C
"^A" (3GAB |"C" cB AG | .E2 .C2 | cB AG |"G7" .F2 .D2 | dc BA | cB/^A/ .B2 | BA GF |"C" AG/^F/ GG | 
 cB AG | .E2 .C2 | cB AG |"F" .B2 .A2 |"G7" dc BA |"C" cG/^F/ !>!G2 |"G7" G^G AB |"C" c2 c2 |: 
[K:G]"^B""G" DE FG |"D7" ^GA !>!A2 |"C" EF GA |"G" ^AB !>!B2 |"D7" dD A2 |"G" BD G2 |1 
"D7" FF/G/ FC |"G" ED B,2 :|2"D7" FA G/F/E/F/ |"G" G2"_>Teil A" G2 |:[K:F]"^C""F" CA CA | 
"C7" .B2 .E2 | EB EB |"F" .A2 .F2 | AA GF |"C7" EB D>F | EB D>E |1"F" D^C !>!=C2 :|2"F" FA F z |]  