Original: Taylor was also a catalyst in Harry Nilsson's musical career; hearing Nilsson's song "1941" on a car radio, he bought a case (twenty-five copies) of his album Pandemonium Shadow Show, sending copies to different industry people   including all four Beatles, who soon invited Nilsson to London.
Simplified: He also gave Harry Nilsson's career a boost, when he sent copies of Nilsson's album Pandemonium Shadow Show to important members of the music industry, including the Beatles.