возможно это формат Mixman Studio Pro:
The Total Remix Solution
Mixman Studio Pro is a virtual DJ software environment that allows users to create or remix their own music, or remix the latest music from major label recording artists, using D*Plates, Mixman's recently announced 'Internet singles'.
Mixman Studio Pro 3.0 adds new functionality to the prior version with 12 real-time and 8 non-real-time DSP audio effects, expanded export options including unlimited MP3 and Windows Media Audio exporting, and integration with Steinberg software.
Features in Mixman Studio Pro 3.0 include:
W.A.R.P. (Wide Band Audio Real-time Processing) offers real-time DSP audio effects triggered by 2D mouse movement within the W.A.R.P. user interface. W.A.R.P. includes 12 effects that a user can switch between at any time during a performance.
Eight new non-real-time FX algorithms give the 3.0 Studio Pro users a total of 23 with over 99 presets. Studio Pro's non-real-time FX enable the user to apply up to 5 FX per each of the 16 digital audio channels for a total of 80 simultaneous FX in any mix.
User can export their finished remixes as MP3, Windows Media Audio, Stereo WAV, RealPlayer G2, SoundFont, and TRK files, enabling music to be used with virtually every audio and web application.
A number of smaller, important enhancements: and expanded Sound library of 500 royalty free digital audio samples in .trk format, the ability to import stereo .wav files, samples from Mixman's 11 Soundisc labels, and more.
Mixman's native high performance audio file format, the .TRK file, is gaining wider acceptance. Steinberg's sequencing software, Cubase 3.7, imports TRK files gaining. Steinberg's ReCycle 1.7 can create .TRK files for use in Mixman software titles.
Mixman users can publish their music on the Internet via Radio Mixman, Mixman's web radio station where users can post their music and review other users' state of the art remix music.
http://cgi.ebay.com/Mixman-Studio-Pro-3-0-mix-man-PC-sof...dZViewItem
хотя твой для Рисайкла маловат размером вродь, можт это не аудио формат, а файл проекта и к нему нужны сами аудио файлы
