Paul McCartney's experimental streak goes way back. He played around with words, sounds and concepts with the Beatles and then launched his solo career with a self-titled album in 1970 that took his experiments to a more personal space. Fed up with the collaborative group format, at least for the time being, the chart-topping
McCartney was made solely as a one-man-band project.
Ten years, and a different band, later, he followed it up with another totally solo record,
McCartney II, this time indulging in his favorite new instrument: the synthesizer. In between and after those two records, he toyed with his ambitions – from 1971's