Hydra (track)
by Toto
Hydra appears on the following album(s) by Toto:
- Hydra (track #1) (this album) (1979)
- 35th Anniversary - Live In Poland (track #4) (2014)
eBay
Condition: Brand New
eBay
Condition: Used
eBay
Condition: Used
Listen to Hydra on YouTube
Hydra 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.
Showing latest 5 ratings for this track. | Show all 21 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 01/20/2026 23:55 | Exist-en-ciel | 101,633 | 71/100 | |
| 08/25/2025 18:07 | daCritic | 36,642 | 75/100 | |
| 08/06/2025 02:38 |  nitomano | 26,895 | 73/100 | |
| 06/28/2025 19:33 | culwin | 21,682 | 75/100 | |
| 08/20/2023 16:56 |  Leonard | 33,686 | 75/100 |
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 76.0/100, a mean average of 76.0/100, and a trimmed mean (excluding outliers) of 76.0/100. The standard deviation for this track is 16.9.
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