bass vocals Nicolai Ghiaurov
engineer [uncredited] Gordon Parry
engineer [uncredited] James Brown
liner notes [english translations] Alexandra Kilbey
liner notes [english translations] Peggie Cochrane
mastered by G
piano Zlatina Ghiaurov
producer [uncredited] Christopher Raeburn
sleeve notes Edward Garden
Recorded At Sofiensaal
Mastered At Decca Studios
Pressed By Decca Record Co. Ltd., Pressing Plant, UK.
Printed By Clout & Baker Ltd.
Made By Clout & Baker Ltd.
Printed By MacNeill Press
Copyright (c) The Decca Record Company Limited
LABELS:
- Black/silver 'narrow band' labels
- Boxed Decca logo
- Decca 'Musical Notes' logo on both sides
- Matrix number in brackets on side 1 but framed by dagger symbols on side 2
- Made in England
- ℗ 1971 at bottom

SLEEVE:
- Laminated on front
- Negative stereo Ⓢ on spine
- Sleeve notes in English only on back
- © 1972, The Decca Record Company Limited, London.
- Sleeve printed and made in England by Clout & Baker Ltd.
- Laminated with 'Clarifoil' made by British Celanese Limited

INSERT:
- One sheet, folded into 4 full-size pages
- Contains the lyrics in original language and in English translations
- © 1972, The Decca Record Company Limited, London.
- printed in England by MacNeill Press, London, S.E.1.

CATALOG NUMBERS:
- SXL 6530 on sleeve and insert
- SXL.6530 on labels

OTHER INFORMATION:
- Recorded 1 - 4 March 1971 in the Sofiensaal, Vienna
- Labelography code: ED4 or ED5
Matrix / Runout: ZAL-10832-1G UB 1 (Runout side 1, stamped)
Matrix / Runout: ZAL-10833-3G BI 2 B (Runout side 2, stamped)
Matrix / Runout: ZAL.10832 (Matrix on label, side 1)
Matrix / Runout: ZAL.10833 (Matrix on label, side 2)