Rhythm and blues emerged in the 1940s as a term coined by music journalist Jerry Wexler to replace the outdated and often derogatory "race music" label applied to recordings by African American artists. The genre drew from a rich well of blues, jazz, gospel, and boogie-woogie, combining emotionally expressive vocals with driving rhythms and prominent horn sections. Early R&B artists like Louis Jordan, Ruth Brown, and Ray Charles laid the foundation for a sound that would profoundly shape the course of American popular music, directly influencing the birth of rock and roll and soul.

The 1960s and 1970s represented a golden era for R&B, as the genre branched into soul, funk, and disco. Motown Records, founded by Berry Gordy in Detroit, became a hit-making powerhouse with artists like The Supremes, Marvin Gaye, Stevie Wonder, and The Temptations, blending pop sensibility with gospel-rooted vocal intensity. Meanwhile, artists like Aretha Franklin, Otis Redding, and James Brown pushed the genre's emotional and rhythmic boundaries, creating music that was inseparable from the civil rights movement and the broader struggle for Black cultural expression.

Contemporary R&B, which crystallized in the late 1980s and 1990s, marked a significant evolution in the genre's sound. Producers like Teddy Riley, Babyface, and Timbaland introduced new jack swing and hip-hop-inflected production techniques, while vocalists like Whitney Houston, Aaliyah, TLC, and Usher brought a smoother, more polished aesthetic. The genre became one of the dominant commercial forces in music, with R&B and hip-hop frequently intertwining on both the charts and in the studio.

In the 2010s and beyond, artists like Frank Ocean, The Weeknd, SZA, and Daniel Caesar have expanded R&B's sonic palette to incorporate indie, electronic, and alternative influences, creating what critics often call "alternative R&B." Despite these stylistic shifts, the genre's core identity — soulful vocal performance, emotional depth, and rhythmic sophistication — remains intact. R&B continues to serve as a creative wellspring for popular music worldwide, its influence audible in virtually every corner of the contemporary musical landscape.