Originally formed in 1989, they released their first recording in 1990, and had a critical and commercial success in the Greek music industry for fifteen years, before being dissolved in 2004.

They are considered as the most successful, commercially, group in the history of Greek discography with three gold and five platinum albums (among which: Gia Tous Prinkipes Tis Dytikis Ochthis, Stilvi, Yparchoun Chrysopsara Edo?).

Some of their greatest hits were: "De Tha Dakryso Pia Gia Sena", "Ti Ine Afto Pou Mas Enoni?

", "I Palies Agapes Pane Ston Paradeiso", "Mia Synousia Mystiki", "Epapses Agapi na thymizeis", "Poula me", and "Monaxia mou ola".

Most of their English-language songs were included in their last album Charoumeni Stin Poli ton Trelon (2003), in which they collaborated with Eric Burdon, Gordon Gano, Marc Almond and Steve Wynn.

[2][3] Their first promotional performance was at Laleousa on Ethniki Odos, a club known not for rock but for laïko music (a popular song style based on traditional forms).

It included their first big hit, Asti Na Lei, a song written by Manos Xydous which was performed on the album by the popular singer Vasilis Karras.

Big hits were included in the album, such as De Tha Dakryso Pia Gia Sena, Anites Agapes (along with Haris & Panos Katsimihas) and Ti Ine Afto Pou Mas Chorizi, written by the Serbian composer Sasa Dragic.

According to Pliatsikas: In 1994 we released the record "Gia tous Prinkipes tis Dytikis Ochthis" dedicated to the people of western Athens, where we lived—people who laboured and were wage earners, and whom we saw as princes because they returned to their homes [from work] and had the heart to smile.

[4][5] In 1996, the band's first platinum album followed: O Baboulas Tragoudai Monos tis Nychtes (The Boogeyman Sings Alone at Nights), including the hits I Palies Agapes Pane Ston Paradiso and Na Me Thymithis.

Their biggest selling record was the album Stilvi (Shine, 1998),[2] made up mostly of music and songs from the film by Dimitris Panagiotatos Monaxia Mou Ola (My Loneliness Everything, 1998).

[6] It includes a fine version in Greek of Bob Dylan's "Señor (Tales of Yankee Power)" from his album Street-Legal, as long as the big hits: Monaxia Mou Ola, Epapses Agapi Na Thymizis and Mia Synousia Mystiki.

[7] The last studio album of Pyx Lax, Charoumeni Stin Poli Ton Trelon (Happy in the City of Fools, 2003) included important collaborations with worldwide famous artists, new songs, as long as the adaptation of some of the band's biggest hits in English.

[8] During their career, Pyx lax have collaborated with many Greek singers and musicians such as George Dalaras, Haris Alexiou, Vasilis Papakonstantinou, Katsimihas Brothers, Lavrentis Machairitsas, Miltiadis Paschalidis, Vasilis Karras, Makis Christodoulopoulos, Sotiria Leonardou, Melina Tanagri, Psarantonis, Lakis Papadopoulos, Domenica, ONAR, Theodosia Tsatsou, Mihalis Tzouganakis, Ilias Makridis and many more.

The biggest number of the band's international collaborations were included in their last studio album Charoumeni Stin Poli Ton Trelon (2003), with most notable songs: "Someone Wrote 'Save Me' On a Wall" (with Eric Burdon singing lead) and "All My Angels Falling" (with Marc Almond).

"[12] The band has been recognized for both their longevity and the number of records they sold, as well as "the unique feeling which was created between Pyx Lax and their beloved public.