The music is from TSAR:https://www.bilibili.com/video/BV1kU4y1x7mN I got wrong BPM that led to a problem that I always hold "F" to chart.THIS IS BAD Update:some mistiming parts got fixed,and bpm fatal bug fixed OMG ANYWAY GAV AND PROG ARE GOD Thanks to Prog for the correct bpm and time signature Thanks to gav for finding Problems Thanks to Halflite for checking Alert: this chart is unfriendly to controller,because of Stride Strigs