Cmusic Production recently announced the release of SOLO Alto Saxophone Library. The Engineers from Cmusic used four microphones to record the library combining natural sound while maintaining sensitivity. The said library was created for Kontakt a ready to use musical toolset for producers, songwriters, musicians, and music enthusiasts.
Configuring the four microphones as two pairs enabled Cmusic to achieve the perfect recording for the said collection, it allowed balance adjustments between the two pairs. They combined it with technique and it enabled the impression of a realistic live performance. A wide variety of alto saxophone recordings available now for Kontakt.
You can find out more here: http://www.kvraudio.com/news/cmusic-production-releases-solo-alto-saxophone-for-kontakt-34482