Happy Nightmare Baby
by Opal
eBay
Condition: Very Good
Opal bestography
Happy Nightmare Baby is ranked 2nd best out of 2 albums by Opal on BestEverAlbums.com.
The best album by Opal is Early Recordings which is ranked number 11529 in the list of all-time albums with a total rank score of 101.
(N.B. Bestographies include all albums by an artist (and their variations), but do not include albums ranked outside the top 100,000).
Upcoming concerts
Listen to Happy Nightmare Baby on YouTube
Happy Nightmare Baby track list
The tracks on this album have an average rating of 77 out of 100 (2 out of 9 tracks have been rated).
Happy Nightmare Baby rankings
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Happy Nightmare Baby 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 album. | Show all 22 ratings for this album.
| Rating | Date updated | Member | Album ratings | Avg. album rating |
|---|---|---|---|---|
| 11/05/2025 23:02 |  MadhattanJack | 5,631 | 66/100 | |
| 08/01/2024 14:37 | TonySayers61 | 23,793 | 64/100 | |
| 06/18/2024 14:29 |  cestuneblague | 8,033 | 80/100 | |
| 06/16/2023 08:48 | cicadelic | 12,063 | 73/100 | |
| 01/06/2023 14:42 |  Igtonumama | 10,791 | 63/100 |
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 albums can have several thousand ratings)
This album is rated in the top 7% of all albums on BestEverAlbums.com. This album has a Bayesian average rating of 75.2/100, a mean average of 76.6/100, and a trimmed mean (excluding outliers) of 76.6/100. The standard deviation for this album is 14.1.
Happy Nightmare Baby favourites
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