In the music industry , the top 40 is the current, 40 most-popular songs in a particular genre. It is the best-selling or most frequently broadcast popular music. Record charts have traditionally consisted of a total of 40 songs. The term "Top 40", describing a radio format , appeared in Its introduction coincided with a transition from the old ten-inch 78 rpm record format for single "pop" recordings to the seven-inch vinyl 45 rpm format, introduced in , which was outselling it by and soon replaced it completely in The Top 40 thereafter became a survey of the popularity of 45 rpm singles and their airplay on the radio. Some nationally syndicated radio shows, such as American Top 40 , featured a countdown of the 40 highest ranked songs on a particular music or entertainment publication. Although such publications often listed more than 40 charted hits, such as the Billboard Hot , time constraints allowed for the airing of only 40 songs; hence, the term "top 40" gradually became part of the vernacular associated with popular music. From the s onwards, different recording formats have competed with the 45 rpm vinyl record.
Compiled by PPL the organisation that monitors all recorded music plays in the UK, not just on radio and TV, but in cinemas, clubs, pubs, restaurants, gyms and even karaoke bars , these songs have soundtracked our lives over the last ten years. There are plenty more surprises in store. See the top 10 below and find the rest of the chart elsewhere on this page. Nashville rockers Kings of Leon truly broke into the mainstream with 'Sex on Fire', although the song only charted as high as No. The track title doesn't mean anything, according to frontman Caleb Followill — it was just a running joke they had while making it in the studio. Did you know? The track was almost shelved because Caleb wasn't happy with it.
We've answered some of the frequently asked questions we receive below. If we haven't answered your question, please get in touch and let us know how we can help. Unfortunately not, as we are a chart show we only have time during the show to countdown the top The Official Big Top 40 is compiled from a mix of Apple Music streaming and iTunes sales data from across the week, plus airplay data from the radio stations which the show is broadcast on. Radioplayer on desktop devices relies on Flash. Remember to close all browsers whilst the installation is completing then try once more. We cannot guarantee that older versions of Internet Explorer will work. If you live abroad you might have noticed a bit of a change with our player. This has happened because of a change in the way we are allowed by the music industry to stream on the Internet.