The history of the music industry is inevitably also the story of the development of technology. From the player piano to the vinyl disc, from reel-to-reel tape to the cassette, from the CD to the digital download, these formats and devices changed not only the way music was consumed, but the very way artists created it.

The first step in this diversification was the widely criticized sale of Seagram's stake in DuPont. The investment group which has owned the company since 2004 was said to have received a positive return on its investment. He produced the unsuccessful film The Border which starred Jack Nicholson.

(born May 16 1955) is an American businessman who served as CEO of Warner Music Group 2004 to 2011 and as Chairman from 2011 to 2012. Edgar Miles Bronfman Jr. In May 2011 the sale of WMG was announced; Bronfman would continue as CEO in the transaction.