What Is And What Should Never Be (track)
by Led Zeppelin
Year: 1997
From the album BBC Sessions (track #6)
Listen on Spotify SPOTIFY
What Is And What Should Never Be appears on the following album(s) by Led Zeppelin:
- Led Zeppelin II (track #2) (1969)
- Early Days: The Best Of Led Zeppelin Volume One (track #6) (compilation) (1999)
- BBC Sessions (track #6) (this album) (1997)
- How The West Was Won (track #12) (2003)
- The Complete Studio Recordings (track #11) (compilation) (1993)
- Led Zeppelin (Box Set) (track #5) (compilation) (1990)
- Early Days & Latter Days (track #6) (compilation) (2002)
- Led Zeppelin X Led Zeppelin (track #21) (compilation) (2018)
- 1st + 2nd (track #11) (compilation) (1970)
Listen to What Is And What Should Never Be on YouTube
What Is And What Should Never Be 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 15 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 06/10/2025 16:42 | spinout | 39,179 | 83/100 | |
| 09/05/2024 17:56 | plasmicmist | 7,586 | 91/100 | |
| 04/09/2023 02:25 | Fevernova | 34,272 | 82/100 | |
| 06/17/2021 22:04 | Smith | 2,693 | 84/100 | |
| 05/31/2021 18:46 | LosWochos | 311,203 | 80/100 |
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 76.6/100, a mean average of 77.0/100, and a trimmed mean (excluding outliers) of 77.0/100. The standard deviation for this track is 20.8.
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