To enable the BPM track, right-click somewhere in the timing area of the editor (to the left of the note tracks), and enable "BPM".
BPM format: xxxt, where xxx = BPM. 1 = lowest BPM, 999 = highest BPM. t = Whether to gradually change tempo between the current BPM and the next (denoted by '|'). If t is ' ' (empty), the tempo will accelerate / deaccelerate to the next BPM. If t is '|', there is no accelerando / deaccelerando. Press T to switch between the two modes. Notes: * If xxxt has an 'm' prefix, it means that the line contains more than one BPM entry. The last BPM is displayed. * If xxxt has a 'd' prefix, it means that the BPM entry starts below the start of the line.
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