Members can have their Lower (L) and Upper (U) Skeletons measured here.
Just send me a recording of F3A3-A3C#4-C#4F4-F4A4; single strings, two seconds each interval.
Skeleton 001 - L:36%, U:--
Skeleton 002 - L:93%, U:97%
Skeleton 003 - L:100%, U:24.7%
Skeleton 004 - L:64.5%, U:26.1%