New Import Releases ?

Elvis Club Berlin mentions the release of 5 CD's titled "The Surreptitious Tapes Volume 1 - 5". The set should contain 146 tracks of which 24 are supposed to be unreleased studio recordings, 26 unreleased rehearsal recordings, 29 unreleased special recordings, 29 unreleased live recordings and 38 unreleased live recordings. They're not sure if these are import releases or CDR's.