Even though this was introduced at the 2009 AES Convention, it's news to me (I think?).
Anyway,.. it's an interesting interface between digital workstations and analog tape.
Check it out;
http://www.endlessanalog.com/what-is-claspI'm not sure I've gotten my tiny head around how you could record different instruments at different speeds (unless it's as a single track), but I think that the notion of vintage processors being designed to be recorded to tape makes lots of sense.