In the featured artist current timing, there doens't seem to be a speed up or slow down found in those sections.
Speed up Timing
49478,375,4,2,0,75,1,0
49843,333.333333333333,4,2,0,75,1,0
50176,307.692307692308,4,2,0,75,1,0
50483,285.714285714286,4,2,0,75,1,0
50768,279.06976744186,4,2,0,75,1,0
51047,272.727272727273,4,2,0,75,1,0
51319,255.31914893617,4,2,0,75,1,0
51574,240,4,2,0,75,1,0
51814,228.136882129278,4,2,0,75,1,0
52042,222.222222222222,4,2,0,75,1,0
52264,218.181818181818,4,2,0,75,1,0
52482,214.285714285714,4,2,0,75,1,0
52696,206.896551724138,4,2,0,75,1,0
52902,200,4,2,0,75,1,0
53102,193.548387096774,4,2,0,75,1,0
53295,187.5,4,2,0,75,1,0
Slow down Timing
224482,375,4,2,0,75,1,0
224857,400,4,2,0,75,1,0
225257,413.793103448276,4,2,0,75,1,0
225670,422.535211267606,4,2,0,75,1,0
226092,444.444444444444,4,2,0,75,1,0
226536,454.545454545455,4,2,0,75,1,0
226990,480,4,2,0,75,1,0
227470,500,4,2,0,75,1,0
227970,530.973451327434,4,2,0,75,1,0
228500,571.428571428571,4,2,0,75,1,0
229071,625,4,2,0,75,1,0
229696,666.666666666667,4,2,0,75,1,0
230362,749.999999999999,4,2,0,75,1,0
230737,769.230769230768,4,2,0,75,1,0
231121,810.81081081081,4,2,0,75,1,0
231526,845.07042253521,4,2,0,70,1,0
231737,937.499999999999,4,2,0,65,1,0
231971,983.606557377048,4,2,0,60,1,0
232216,1034.48275862069,4,2,0,55,1,0
232474,1111.11111111111,4,2,0,50,1,0
232751,1153.84615384615,4,2,0,45,1,0
233039,1237.11340206186,4,2,0,40,1,0
233345,1333.33333333333,4,2,0,35,1,0
233678,1500,4,2,0,30,1,0
234053,1714.28571428571,4,2,0,25,1,0
234481,1846.15384615385,4,2,0,20,1,0
234942,1875,4,2,0,15,1,0
Found out there's a signature change at 336022 to 4/4. (8/4 would do the same but intended effect)