No specific info about version 1.4. Please visit the main page of M-Audio Key Rig on Software Informer.
MP3 Key Changer is a small tool able to change the key of MP3 files.
It allows you to experience the game from all directions.
SC Audio DJ Mixer by SoftwareClub is a multi-file audio player.
A four-deck digital audio mixing tool especially devised for professional DJs.
Light Audio Player is an easy to use free software.
This program is a Karaoke machine that can burn and convert MIDI files.