Sysyphus (Parts 1-4) (track)
by Pink Floyd
Sysyphus (Parts 1-4) appears on the following album(s) by Pink Floyd:
- Ummagumma (track #5) (this album) (1969)
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Listen to Sysyphus (Parts 1-4) on YouTube
Sysyphus (Parts 1-4) ratings
Average Rating = (n ÷ (n + m)) × av + (m ÷ (n + m)) × AVwhere:
av = trimmed mean average rating an item has currently received.
n = number of ratings an item has currently received.
m = minimum number of ratings required for an item to appear in a 'top-rated' chart (currently 10).
AV = the site mean average rating.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 12/15/2025 00:11 | Exist-en-ciel | 79,353 | 70/100 | |
| 08/24/2025 19:21 |  ExTeaSea | 12,459 | 85/100 | |
| 07/17/2025 20:47 |  HoldenM | 8,137 | 91/100 | |
| 02/14/2025 12:25 |  Leonard | 33,583 | 75/100 | |
| 12/15/2024 06:18 | CokeBabies | 2,071 | 84/100 |
Rating metrics:
Outliers can be removed when calculating a mean average to dampen the effects of ratings outside the normal distribution. This figure is provided as the trimmed mean. A high standard deviation can be legitimate, but can sometimes indicate 'gaming' is occurring. Consider a simplified example* of an item receiving ratings of 100, 50, & 0. The mean average rating would be 50. However, ratings of 55, 50 & 45 could also result in the same average. The second average might be more trusted because there is more consensus around a particular rating (a lower deviation).
(*In practice, some tracks can have several thousand ratings)
This track has a Bayesian average rating of 66.9/100, a mean average of 65.3/100, and a trimmed mean (excluding outliers) of 66.2/100. The standard deviation for this track is 18.4.
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