Pumping Up

Originally, the identity of this chart was the 6-beat run that pops out twice in the middle, but in Phoenix, it was replaced with a hold, so not only did the difficulty drop significantly, but the identity of the chart was killed as well.

The final section has surprisingly tough placements and a fair amount of 16-beat runs, so it's not the absolute lowest. Even if it doesn't reach mid-low, it's worth being in the low tier. Definitely not Airplane level.

Even without the 24-beat, the 16-beat is worth a level 13.

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A chart that has become bland as the middle run disappeared. Along with the D15 version of the same song, this is a case where the difficulty has dropped significantly.