Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/16
M:2/4
K:C
["[c'a][c'a][bg][af] [af][ge][ge]2- [ge][c'a][bg][af] [af][ge][ge]2- [ge][af][af][ge] [ge][fd][fd]2- [fd][ge][ge][fd]"  
X:1
L:1/16
M:2/4
K:C
|:"C" [ge][ge][af][bg]"F" [c'a][c'a][bg][af] |"C" [af][ge][ge]2- [ge][c'a][bg][af] | 
"^(G)" [af][ge][ge]2- [ge][af][af][ge] |"G" [ge][fd][fd]2- [fd][ge][ge][fd] | 
"C" [ec]2"G"[dB]2"C" [cG]4 :: |"C" [ge][ec]"G"[fd][dB]"C" [cG][ec][ec]2 | 
"G" [fd][dB]"D"[ec][cA]"G" [BG][dB]"^(3X)"[dB]2 ::  