*SEE BELOW*
Background info: This info has been obtained from charts, which reside in chart databases, which contain the (almost) complete US and UK singles and albums charts. Roughly, UK singles since 1952, UK albums since 1958, US singles since 1940 and US albums since 1955.
Here are the details:
UK SINGLES
From New Musical Express: started 15-11-1952 (Top 12) changed: 1-10-1954 (Top 20) 14-4-1956 (Top 30)
From Record Retailer/Music Week: started 10-3-1960 (Top 50) changed: 13-5-1978 (Top 75)
UK ALBUMS
From Melody Maker: started 8-11-1958 (Top 10)
From Record Retailer (RR)/Music Week (MW): started 10-3-1960 (Top 20) changed: 14-4-1966 (Top 30) 8-12-1966 (Top 40) 12-2-1969 (Top 15) 14-6-1969 (fluctuated between 47-77 pos.) 9-1-1971 (Top 50)* 29-1-1977 (Top 60) 2-12-1978 (Top 75) 8-8-1981 (Top 100) 14-1-1989 (Top 75) **
Notes: The source used for UK charts was Record Mirror (RM), which began using the RR/MW charts in March 1962. For a period (1969-1973), the album charts in RM and RR/MW differed slightly, as RM used the combined full price/mid price chart, while RR/MW used the ful price chart, most of the time.
RR was renamed to MW on 18-3-1972.
US SINGLES
From Billboard: started 27-7-1940 (Bestselling Singles, Top 10) 15-11-1947 (Top 15) 12-6-1948 (Top 30) 12-11-1955 (Top 100) 24-8-1958 (Hot 100)
US ALBUMS
From Billboard: started 8-1-1955 (bi-weekly Top 15) changed: 24-3-1956 (weekly Top 10-25, fluctuating) 25-5-1959 (Top 50) 4-1-1960 (Top 40) 9-1-1961 (Top 25) 3-4-1961 (Top 150) 1-4-1967 (top 175) and since 13-5-1967 a Top 200.
Notes:
Billboard actually began publishing album charts in 1945, however most of these were only monthly and there were long periods without any chart.
The chart run format
As the chart run overviews can be daunting for the uninitiated, here's a detailed explanation:
The chart runs are divided in four sections, if applicable, UK Albums, UK Singles, US Albums and US Singles.
If Guns N' Roses didn't chart in one of the four sections, it's not printed.
The records are printed in chronological order. In the most recent runs, all titles are preceded by a sequence number, so you can easily see how many hits the artist has had.
Top 10 entries are printed in bold and in blue, the chart peak is printed in red and indicated by asteriks (*), only for the first time when the record reached the peak.
If a single or song didn't make the top 10, the peak position is also highlighted with the bold typeface.
The numbers in a run represent chart positions in consecutive weeks. Example 13-*3*-45 means first week on #13, 2nd week at its peak on #3, 3rd week dropped to #45.
A "0" means NOT on the chart (see re-entries).
(36/24/5 wks) at the end of a runs means 36 weeks chart entries, including 24 in the top 10, and 5 at #1. If there's only one number, there were no weeks spent in the top 10.
If the run was interrupted by a drop off of no longer than 4 weeks, more numbers appear to indicate the number of consecutive
weeks.
Example: (51-41c/14-11c/1 wks) 51 weeks on chart, of which 41 consecutive, 14 weeks in top 10, of which 11 consecutive, 1 week at #1.
Runs interrupted by a new (calendar) year or chart runs that are re-entries are also followed by a weeks so far number.
Example: (1 wk, 52 wsf) 1 week on chart this run, 52 accumulated weeks (total weeks until this date).
The date after "Date:" is the chart debut date of the record. This date can differ from dates given in chart books.
When the first number of a run is surrounded by square brackets, e.g. [178], the printed debut date refers to the second number.
The number between brackets indicates the record had one or more entries before the printed date. The number itself is the previous position before the 2nd number and it's not included in the number of weeks on chart.
This feature only applies to the US album section.
In long chart runs, a date (in italics) can appear in the middle of the run. This only happens when weeks on chart is at least 15 weeks, and a new calendar year has started during the run.
The date, printed in front of the chart position of that date, is the first week of the new year, when the record has charted.
This post has been edited by IndiannaRose: 03 January 2005 - 04:50 AM


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