Gustav Mardiak saw The Blue Effect 7 times.

Joined August 2025

Date	Concert	Venue	Location
Feb 24, 2009	Collegium Musicum / Framus Five / The Blue Effect / Synkopy 61 / Fermata / Prúdy BEATFEST 2009 (Tuplák)	Great Hall, Lucerna / Velký Sál, Lucerna	Prague, Hlavní město Praha, Czechia
Oct 24, 2008	Collegium Musicum / Framus Five / The Blue Effect / ETC / Progres BEATFEST 2008	Lucerna Palace - Great Hall	Prague, Hlavní město Praha, Czechia
Jun 09, 2005	Omega / The Blue Effect	Lucerna Palace - Great Hall	Prague, Hlavní město Praha, Czechia
Apr 14, 1971 – Apr 16, 1971	3. Československý Beat Festival Praha 1971 Flamengo / The Blue Effect / Collegium Musicum / Dežo Ursiny & Provisorium / Majestic / Prúdy / The Bluesmen / Flamingo / Omega / Czeslaw Niemen	Lucerna Palace - Great Hall	Prague, Hlavní město Praha, Czechia
Nov 29, 1969	The Blue Effect	Music f Club	Prague, Hlavní město Praha, Czechia
Dec 22, 1968 – Dec 23, 1968	2. Československý Beat Festival Praha 1968 The Nice / Cuby + Blizzards / Mecki Mark Men & Anki Lindqvist / The Blue Effect / Olympic / The Primitives Group / Viktor Sodoma & Apollobeat / George & Beathovens / Michal Prokop & Framus Five / Mickey & The Samuels	Lucerna Palace - Great Hall	Prague, Hlavní město Praha, Czechia
Nov 27, 1968	The Blue Effect	Music f Club	Prague, Hlavní město Praha, Czechia