Empirical tuning
This is a form of hands-on, field research as opposed to a form of acoustical or scale engineering where tunings are specifically derived from listening and playing experiments carried out in the pitch continuum.
Moonsuite by Carlo Serafini (blog entry)
Tribalism #1 by Carlo Serafini (blog entry)
JY's Infra-Worlds by Carlo Serafini (blog entry)
In Memoriam JY by Carlo Serafini (blog entry)
In Q by Carlo Serafini (blog entry)