progressive" style emerged in the late 1960s, by 1967, progressive rock had come to constitute a diversity of loosely associated style codes.[7][nb 2] With the arrival of a "progressive" label, the music was dubbed "progressive pop" before it was called "progressive rock".[18][nb 3] "Progressive" referred to the wide range of attempts to break with the standard pop music formula.[20] A number of additional factors contributed to the label—lyrics were more poetic, technology was harnessed for new sounds, music approached the condition of "art", some harmonic language was imported from jazz and 19th-century classical music, the album format overtook singles, and the studio, rather than the stage, became the focus of musical activity, which often involved creating music for listening, not dancing 1960s style