Started with the upcoming of MP3s in the year 1997, a software for playing music on student parties was developed, the one you can try yourself nowadays: the MJ.
A first public release was available in the year 98. MJ had two decks where you could play back mp3s, pitch, scratch and mix them with automatic beat detection - a complete virtual dj solution, including a mixer with 3-band equalizer with pre-hearing.
Further it had a comfortable playlist with ID3 support and an autoplay feature which could play back your mp3s seamlessly.
· pentium 233mhz mmx or aequivalent processor
· soundcard supported by the windows system
· 16bit color graphics driver with at least 800x600