It started in the game section, but now about DIGITAL

Hello Titus continuation of the topic about incomprehensible tools: Kur> Let's post it I have already posted [http://zxaaa.untergrund.net/DISKI/muzn100.zip] (5.74 mb - 15 disks), but was horrified to discover that the editor itself was not on the disks. There's 15 disks with tools. With file extension I (I attached the picture) Who knows what editor this is???? So that I can add it or write it for why so many tools??? Digital music editors: 3 Channel Synthesiser by Simon Tillson for Beeper Chip Tracker v1.3 by Alone Coder for SD,Covox,AY Digital Studio v2.05 by Underground System, remix by Viking for AY Digital Studio v1.12 by Underground, remix by Witchcraft for DMA UltraSound Card Extreme Tracker v2.1 by Red ltd for Covox,SD (MOD format) Excess Sample Editor v1.4 by Excess for GS,SD,Covox,AY,Beeper Instrument v4.01 by Andrey Kazakov for AY Prodigi Editor by Witchcraft for DMA UltraSound Card SQ Tracker v1.0 by Ale-xs Xcl aka Gremlin for Scorpion 256 & SD UltraSonic v2.11/2.12 by Omega HG for SD, Covox As far as I remember, this format was in Instrument, but not in 4.01. :v2_conf2; File:; musn100.png http://zx.pk.ru/attachment.php?attachmentid=3633