Yes has navigated several distinct eras of activity since forming in 1968, including primary runs from 1968–1981 and 1983–2004, followed by a later phase beginning in 2009 which has continued since. Their classic period, particularly around years like 1971, 1972, 1974, and 1980, established them as leading exponents of progressive rock. This signature sound, characterized by complex song structures, instrumental virtuosity, and often elaborate conceptual themes, defined Yes during their most influential years and cemented their legacy within the progressive rock movement across their long history.
Their celebrated catalog features ambitious, multi-part suites and iconic singles that define the progressive rock genre. Signature tracks often boast intricate instrumental passages, shifting time signatures, and virtuosic performances from all members, showcasing complex bass lines, soaring guitar work, and elaborate keyboard textures. Lyrically, these pieces frequently explore mystical, philosophical, or science-fiction themes, delivered with distinctive high-register vocals. From extended epics pushing compositional boundaries to more concise, yet still intricate rock tracks, these renowned songs exemplify Yes's unique blend of technical prowess, melodic invention, and imaginative conceptual scope.