Figure 1  TP gragh (proportion) 1st 8bars of "timing-progression.com Aratori Vol.1"
Figure 1  TP proportion graph of first 8 bars (32 beats) of "timing-progression.com Aratori Vol. 1"

        Black point is pf (proportion of front eighth note), red one is pb (proportion of back eight note).
        '10' is equivalent to about 30ms.