Издательство: | Книга по требованию |
Дата выхода: | июль 2011 |
ISBN: | 978-6-1328-6211-2 |
Объём: | 76 страниц |
Масса: | 135 г |
Размеры(В x Ш x Т), см: | 23 x 16 x 1 |
High Quality Content by WIKIPEDIA articles! Billboard magazine began publishing year-end lists for album sales in 1956. Until 1991, the Billboard album chart was based on a survey of representative retail outlets that determined a ranking, not a tally of actual sales. Likewise, the year-end chart was a measure of chart performance over the twelve months from December to November rather than total sales. Weekly surveys and year-end charts by Billboard and other publications such as Cash Box magazine sometimes differed. For instance, during the 1960s and 1970s, the number-one album as determined by these two publications differed in 10 out of 20 years. From 1991, Billboard year-end and weekly charts were calculated by Nielsen SoundScan.
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