Pop groups are musical ensembles that typically perform popular music, characterized by catchy melodies and relatable lyrics. These groups often consist of multiple members who sing and sometimes play instruments. They can vary in size, from duos to larger bands, and often have a distinct image or style that appeals to a wide audience. Many pop groups gain fame through hit songs, music videos, and live performances. They often collaborate with songwriters and producers to create their music. Notable examples of pop groups include The Beatles, Spice Girls, and BTS, each contributing to the evolution of the pop genre in different eras.