Early 1968
Boz   
People involved
Boz Burrell (vcl), with back-up: Ritchie Blackmore (gtr); Chas Hodges (bss); Jon Lord (kbr); Ian Paice (drm).
A session thing involving the better parts of future Deep Purple. The result was a single (I Shall Be Released/Down In The Flood) that keeps re-appearing on various Blackmore-compilations.

Albums & singles
I Shall Be Released/Down In The Flood : UK 1968 Columbia DB 84006

Material from above appears on...
Ritchie Blackmore Vol. 1 [2lp/cd] : UK 1989 Connoisseur RP VSOP LP/MC/CD 143
Take It! Sessions 63/68 [cd; Blackmore] : UK 1994 RPM Records RPM 120
Blackmore Anthology Vol. 2 [cd] : Japan 199? Teichiku CD TECX-23904
Blackmore Best Collection : Japan 199? Teichiku CD TECW-25088
The Derek Lawrence Sessions Take 1 [cd] : Germany 1991 Line Records 9.01118 0
The Derek Lawrence Sessions Take 2 [cd] : Germany 1991 Line Records 9.01119 0
25 Very Rare Masters From The Sixties [cd] : Germany February 1997 Line Records 901333