40 (track)
by U2
Year: 1983
From the album Live "Under A Blood Red Sky" (track #8)
Listen on Spotify
40 appears on the following album(s) by U2:
- War (track #10) (1983)
- Live "Under A Blood Red Sky" (track #8) (this album) (1983)
- Live From Paris (track #18) (2008)
- From The Ground Up: Edge's Picks From U2360° (track #15) (2012)
Upcoming concerts
Listen to 40 on YouTube
40 ratings
where:
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 |
|---|---|---|---|---|
75/100  | 05/14/2025 09:41 | machiaj | | 74/100 |
90/100 | 12/24/2024 11:10 |  doombringer | | 75/100 |
80/100 | 08/22/2024 15:06 |  Special | | 71/100 |
100/100 | 03/23/2024 02:47 | phmusic | | 100/100 |
80/100 | 09/24/2023 11:54 | Foxforce5 | | 77/100 |
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 is rated in the top 5% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 80.7/100, a mean average of 80.0/100, and a trimmed mean (excluding outliers) of 81.8/100. The standard deviation for this track is 15.0.
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40 comments
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