History of Personal Music Devices By facebooker_100000164640419 Jul 28, 1979 Walkman The grandaddy of portable stereos is the Sony Walkman, introduced in July 1979 and originally called the Soundabout Model TPS-L2 cassette player. Nov 1, 1984 Portable CD Player The Portable CD player (later called “Discman”), the D-50, was launched by Sony. This was the world's first portable CD player. Approximately the size of four CD cases, the body weighed 590g. Oct 23, 2001 The First Ipod Apple presented the first Ipod. This mp3 player could hold up to 1,000 songs. Jan 6, 2004 The iPod Mini Apple introduces iPod mini, available in five colors. Jan 11, 2005 The iPod Shuffle Apple introduced iPod shuffle. Sep 7, 2005 The iPod Nano iPod nano replaces the iPod mini and goes on to become the best selling music player ever. Sep 13, 2007 The iPod Touch Apple unveils iPod touch with Multi-Touch interface and built-in Wi-Fi wireless networking.