OSA is a Kontakt 5 library aimed at this genre of electronic music from the 1970's and 1980's and consists out of vintage arpeggios, and a few modern ones too.
Inspired by musicians like Jean Michel Jarre, Tangerine Dream, Klaus Schulze, Michael Hoenig and countless others.
Please note: The full version of Kontakt 5.1 or above is required. Please do not purchase this if you intend to use it with Kontakt Player.