The top 40 is a radio format most common in the United Kingdom, Australia, United States, and Canada. It is also known as contemporary hit radio, or hit music, or current hits, or pop radio. This radio format focuses on playing contemporary and continuing popular music as determined by the top 40 music charts, dominantly focusing on genres such urban music, pop and rock. The term Contemporary Hit Radio is more commonly used than top 40. The term has been coined in the early 1980s by the magazine called Radio and Records, which was designating Top 40 stations.
The 80s music are known to be pop, new wave, glam metal, and soft rock popularized by some bands and singers like Guns N’ Roces, The Police, Sting, Madonna, Rod Stewart, John Lennon, Billy Joel, Michael Jackson, and Bon Jovi. All music born in this decade remained popular up to the current time, especially when revival music came to give new life, tempo and interpretation of some old songs. It is really true that music never dies.
Among many musical genres, Christian music became popular through Born Again Christians and churches that integrate this genre of music to its worship service and call it as worship songs. Later on, Catholics and other religious groups have also developed likeness of the songs, considering them as encouragement music. Christian music is composed and performed for different reasons and purposes – purely religious or ceremonial purposes, aesthetic pleasure, and campaigns or as an entertainment product for the marketplace.