Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/16
M:2/4
K:A
['[af][af][ge][fd] [fd][ec][ec]2- [ec][af][ge][fd] [fd][ec][ec]2- [ec][fd][fd][ec] [ec][dB][dB]2- [dB][ec][ec][dB]']  
X:1
L:1/16
M:2/4
K:A
|:"A" [ec][ec][fd][ge]"D" [af][af][ge][fd] |"A" [fd][ec][ec]2- [ec][af][ge][fd] | 
"^(E)" [fd][ec][ec]2- [ec][fd][fd][ec] |"E" [ec][dB][dB]2- [dB][ec][ec][dB] | 
"A" [cA]2"E"[BG]2"A" [AE]4 :: |"A" [ec][cA]"E"[dB][BG]"A" [AE][cA][cA]2 | 
"E" [dB][BG]"B"[cA][AF]"E" [GE][BG]"^(3X)"[BG]2 ::  