Rock 'N' Roll Doctor (track)
by Black Sabbath
Year: 1976
From the album Technical Ecstasy (track #6)
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Rock 'N' Roll Doctor appears on the following album(s) by Black Sabbath:
- Technical Ecstasy (track #6) (this album) (1976)
- Greatest Hits 1970–1978 (track #14) (compilation) (2006)
- Symptom Of The Universe: The Original Black Sabbath 1970–1978 (track #26) (compilation) (2002)
- Black Box: The Complete Original Black Sabbath (1970-1978) (track #56) (compilation) (2004)
- Rock Heavies (track #2) (compilation) (1978)
- The Ultimate Collection (track #15) (compilation) (2016)
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Condition: Brand New
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Condition: Used
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Condition: Acceptable
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Rock 'N' Roll Doctor 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 |
|---|---|---|---|---|
| 12/25/2025 21:24 | Exist-en-ciel | 79,353 | 70/100 | |
| 09/15/2025 22:04 | FrancK | 4,575 | 82/100 | |
| 07/23/2025 16:49 | matterhornrider | 22,724 | 86/100 | |
| 07/22/2025 20:48 | LosWochos | 310,650 | 80/100 | |
| 03/25/2025 14:41 |  doombringer | 13,619 | 74/100 |
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 71.1/100, a mean average of 69.0/100, and a trimmed mean (excluding outliers) of 70.0/100. The standard deviation for this track is 13.9.
Rock 'N' Roll Doctor comments
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Mediocre song. Hardly inspired vocals and guitar riffs. The honky tonk piano is extremely painful. Sabbath is on the edge of the abyss.
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