Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/16
Q:1/4=100
M:2/4
K:Amin
['c4 d2c2 .d2dc cBBA z2', 'd2c2 .d2dc cBBA', 'BAGA- AG2^F- FE2D- DC2D .D2 z2 DC^FD'  
X:1
L:1/16
Q:1/4=100
M:2/4
K:Amin
"^A" c4 d2c2 | .d2dc cBBA | z2 AB c2>.G2 | cdBd .c4 | c4 d2c2 | .d2dc cBBA | z2 BA B2cA | 
 .c2cB BAA2 ||"^B" c4 d2c2 | .d2dc cBBA | AGAB c2>.G2 | cdBd .c4 | c4 d2c2 | .d2dc cBBA | 
 AGcA B2cA | .c2cB BAA2 ||"^C" ABcd- dcBc- | cBAB- BAGA- | AG2^F- FE2D- | DC2D .D2 z2 | 
 DC^FD C2<A,2- | A,8- | A,8- | A,8 ||  