Rock pop music is a style of popular music with an outstanding vocal melody accompanied by guitar, drums, and bass. Many forms of rock music also use keyboard instruments such as organ, piano, mellotron, and synthesizers. Other instruments sometimes employed in rock include harmonica, violin, flute, banjo, melodica, and timpani. Besides, rare stringed instruments such as mandolin and sitar are used. Rock pop music normally has a strong back beat, and often revolves around the guitar, either solid electric, hollow electric, or acoustic.

Rock pop music has its origin in 1940s and 1950s rock and roll and rockabilly, which developed from blues, country music and other influences. The All Music Guide opines that rock and roll in its purest form has three chords, a strong, insistent back beat, and a catchy melody. Initially,rock & roll took from a variety of sources, mainly blues, R&B, and country, but also gospel, traditional pop, jazz, and folk. All of these impact combined in a simple, blues-based song structure that was not only fast and catchy but also foot tapping.

In the late 1960s, rock pop music was combined with folk music ,blues and jazz to create folk rock, blues-rock and jazz-rock fusion respectively.It created psychedelic rock music irrespective of the time. In the 1970s, rock incorporated influences from soul, funk, and latin music. During the 1970s, a number of subgenres of rock, such as soft rock, heavy metal, hard rock, progressive rock, and punk rock was created. Synth-rock, hardcore punk and alternative rock were the sub genres of rock pop music that was developed in the 1980s whereas, rock subgenres in the 1990s included grunge, Britpop, indie rock, and nu metal.

A rock band or rock group is a group of musicians specializing in rock pop music . Most of the rock groups consist of a guitarist, lead singer, bass guitarist, and drummer, forming a quartet. Few groups may skip one or more of these roles and make use of a lead singer who can play an instrument while singing, forming a trio or duo; others include additional musicians such as one or two rhythm guitarists and/or a keyboardist. Seldom, groups also employ stringed instruments such as violins or cellos, or horns like trumpets or trombones.