"Mystique Sounds of Kawai k5000 Additive Synth" - Sonikbytes [ambient/ new age/ scifi] 

Kawai K5000 additive synth is well capable at creating some unique, lush soundscapes and textures.
Most of the sounds you'll hear here (about 90%) come from k5000, while the drums patterns were created on Rebirth one of the earliest music software on windows PC.