Train is an American rock band formed in San Francisco in the mid-1990s, known for a blend of pop rock, roots rock, and adult contemporary styles. The group's sound combines melodic, guitar-driven arrangements with polished production, often featuring earnest, radio-friendly songwriting and prominent vocal hooks. Train achieved mainstream success in the late 1990s and 2000s with charting singles and albums, and their repertoire includes both up-tempo rockers and softer ballads that emphasize accessible melodies and lyrical themes of love and personal experience. The band has undergone lineup changes while maintaining a recognizable commercial rock aesthetic.