|
Billboard Hot 100 - Facts, Information, and Encyclopedia Reference article (3796 words) |
 | A new chart, the Pop 100, has been created to answer criticism that the Hot 100 in recent years has been biased in favor of rhythmic songs, as throughout most of its existence, it was seen predominantly as a pop chart. |
 | Billboard's Hot 100 chart policies have been modified many times over the years to accommodate changes in the record industry, but one rule always remained constant: songs were not eligible to enter the Hot 100 unless they were available to purchase as a single. |
 | Since the Hot 100 is based on singles sales and radio airplay, as singles have themselves become a less common form of song release, the Hot 100's data has represented a narrowing segment of sales and number of releases. |
| NationMaster - Encyclopedia: 1979 (7480 words) |
 | The 1979 (or second) oil crisis occurred in the wake of the Iranian Revolution. |
 | February 1 - Convicted bank robber Patty Hearst is released from prison after her sentence is commuted by U.S. President Jimmy Carter. |
 | April 1 is the 91st day of the year (92nd in leap years) in the Gregorian calendar, with 274 days remaining. |