tracks a1 to a6 bass, vocals Bilos
tracks b1 to b8 bass, vocals Léo Manhães
cover [vomito front cover] Edgar Franco
tracks b1 to b8 drums Marcelo Tibola
tracks a1 to a6 drums Marek
tracks b1 to b8 guitar, vocals Marcelo P.
tracks a1 to a6 guitar, vocals [vox] Richard Chrobok
tracks b1 to b8 recorded by, mixed by Marcelo Tibola
tracks b1 to b8 recorded by, mixed by Vômito
Recorded At Megasound Studio, Havlíčkův Brod
Mixed At Megasound Studio, Havlíčkův Brod
Recorded At Estúdio Live
Mixed At Estúdio Live
Pressed By Gramofonové Závody
Pressed By Gramofonové Závody
Malignant Tumour songs A1 to A5 were recorded and mixed in June 1998 at Megasound Recording Studio in Czech. Song A6 was recorded in November 1997, live in Ostrava, Czech.

Vomito recorded & mixed on 13/06/98 at Studio Live in POA.

Track A5 is a cover version of a song originally performed by Agathocles.

Track B7 additionally spelled as Cachaça on the vinyl label.

Pressing plant uncredited, identified by the matrix numbers.
Matrix / Runout: AO 12053/A (Side A)
Matrix / Runout: AO 12054/A (Side B)