tracks a2 to a5, b2 to b5 arranged by Jiří Svoboda
tracks a1, b1 arranged by Karel Svoboda
art direction [odpovědná redaktorka obalu] Jaroslava Němcová
artwork [cover picture] Vladimír Kladiva
backing vocals Helena Viktorinová
backing vocals Jana Kratochvílová
backing vocals Lešek Semelka
backing vocals Lída Nopová
backing vocals Marie Jakoubková
bass guitar Vladimír Kulhánek
conductor Jiří Svoboda
cover, design Stanislav Dvorský
drums Pavel Trnavský
engineer [recording] Jan Chalupský
engineer [recording] Jiří Brabec
guitar Michal Pavlíček
guitar Viktor Klinger
keyboards Karel Štolba
keyboards Pavel Větrovec
percussion Jiří Tomek
performer [played by], vocals [sung by] Discobolos
photography by Pavel Jasanský
producer [umělecká spolupráce] Zdeněk John
producer, supervised by [odpovědný redaktor] Michael Prostějovský
recording supervisor [recording director] Jiří Zobač
recording supervisor [recording director] Květoslav Rohleder
synthesizer [moog] Jan Hála
synthesizer [moog] Karel Svoboda
technician [technická spolupráce] Jiří Rohan
technician [technická spolupráce] Tomáš Štern
tenor saxophone, flute, backing vocals Jan Kubík
trumpet, trombone, strings [members of various prague orchestras] Unknown Artist
Exported By Artia
Printed By Severografia Červený Kostelec
Recorded At Studio Dejvice
Pressed By Gramofonové Závody
Pressed By Gramofonové Závody
Recorded at the Supraphon studio in Dejvice, Prague, from January to June, 1978
Cover picture © 1979
Cover design © 1979
Photographs © 1979
Tisk Severografia Červený Kostelec
Made in Czechoslovakia
Exporter Artia Prague

℗ 1979

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Tracklist and credits on back cover in English and Czech, on center labels in Czech only.
Release title on the spine: “Disco-Sound”
Release title on center labels: “Discobolos (2)”
Track A5 also known as “Kruh světla”.
Matrix / Runout: E 4675 (Label A)
Matrix / Runout: E 4676 (Label B)
Matrix / Runout: E 4675/B A 1 (Runout stamp A)
Matrix / Runout: E 4676/A C 8 (Runout stamp B)
Rights Society: OSA
Price Code: H (Sleeve)
Price Code: Kčs 44,- (Retail price, labels)
Other: 79 2 (Manufacturing date code)