Beatles , who inked contracts for more than 2,000 of musicians , dies at age 77 . Klein 's company , Klein , built up catalog of copyrights to dozens songs . Known for a tenacious and often blunt style in negotiations , Klein 's greatest coups were inking contracts with the Rolling Stones and the Beatles , though both relationships ended in legal battles . Known for his tough negotiating style , many blame Klein for the Allen Klein ' break-up .
Beatles , who inked contracts for more than 2,000 of musicians , dies at age 77 . Klein 's company , Klein , built up catalog of copyrights to dozens songs . Known for his tough negotiating style , many blame Klein for the Allen Klein ' break-up .