Pleistozaen Mit Wasser is a live album featuring a performance by Cecil Taylor and Derek Bailey recorded in Berlin on July 9, 1988 as part of month-long series of concerts by Taylor and released on the FMP label.
[1] The AllMusic review by Thom Jurek states "Two of the wizards of free improvisation — hell, a pair of the weirdest and most wonderful guys ever to play music — team up for an evening in Berlin in 1988.
There isn't any heat (at least not the kind one would expect from such a meeting); there isn't the kind of explosive aggression one would expect from Taylor and so formidable a partner.
In the end, the set never goes anywhere really, becoming a meandering mass of ideas that don't connect to each other or to anything else.
[2] The authors of The Penguin Guide to Jazz awarded the album 4 stars, calling it a "particularly brilliant example... of Taylor's adaptive capabilities.