Five years in the making, this ultimate resource for all pop music fans notes and discusses every song to reach the pinnacle of the Billboard "Hot 100" charts since 1955. Each week"s rundown includes the Top Five tunes to hit the charts; background notes about each song from the artists themselves; the hit"s entry position, date, and duration on the charts; the date it hit Number One; the names of the songwriter and producer; and the record label and catalogue number. 850 illustrations.