The ZEM were a pop-rock group from Loures, Portugal, formed in 1982. Pioneers of psychedelic rock in Portugal, they were known as innovative and for their elaborate live shows. ==History== In 1982, Francis Riba, Joao Sanguinheira and Victor Bagoim formed the musical group Os Senhores (The Sirs). A few days later, Sanguinheira`s friend, the drumme....