1980–1990 Sejo Sexon started playing the
guitar at the age of 12. In 1978, he formed a rock band named Pseudo Blues Band with
Nenad Janković, a singer and
keyboardist who was his
neighbor in Sarajevo at the time. The band worked on recording psychedelic compositions in home production and did not have live performances or official releases. In 1980, they invited
Zenit Đozić to the band and renamed it to the
Pseudo Blues Band Zabranjeno pušenje. Initially using the pseudonym Elvis J. Spahović, Sejo Sexon was one of the founders of the
New Primitivism movement in
Sarajevo. In 1981, while most of the band members went off to
compulsory military service,
Dražen Janković and Sejo Sexon met with
Elvis J. Kurtović and they formed the band
Elvis J. Kurtović & His Meteors. The band also expanded by adding
Dražen Ričl and Radomir "Hare" Gavrilović. Originally formed as an optional mingle, their first performance occurred in fall 1981. They soon gets the status of a cult band whose success exceeds notability of their primary bands. Although the album was initially released in the small print, the final count was 100,000 copies sold, setting a record for exceeding the initial release by 30 times. In autumn 1984, they embarked on a 60-concert nationwide tour, making them one of the biggest
Yugoslav rock attractions after just one album. In 1990, together with Darko Ostojić (Minka) and
Faris Arapović, Sejo Sexon left Zabranjeno pušenje due to different views on political differences in Yugoslav leadership in late 1980s and the band vision as well. Next studio album
Bog vozi Mercedes (), released in December 2001, was record by
home made production in improvised studios in
Bjelolasica and
Ivanić Grad. The album was planned to be a
noncommercial break from the major music projects. No one expected that it would become one of the best selling Zabranjeno pušenje albums. The album went on to sell more than 35,000 copies. Sejo Sexon wrote and produced four music videos (out of six) for that album. and Krešimir Kaštelan (middle) in 2008. In 2002, Sejo Sexon went with Zabranjeno pušenje on the
United States tour. On 26 May, the band recorded its
second live album at the
Casa Loma Ballroom in
St. Louis,
Missouri. In 2004, Sexon begun to work on the double-full-length album
Hodi da ti čiko nešto da!. In 2005, he wrote a
film score for the 2006 Bosnian
action comedy film
Nafaka. On that project, he got an opportunity to collaborate with prominent musicians of different genres, such as:
Halid Bešlić,
Arsen Dedić,
Lucija Šerbedžija, and the Mosque Choir Arabeske. In June 2006, the song
Nema više, the first single from
Hodi da ti čiko nešto da! and
Nafaka Soundtrack as well, was released and became a
hit single. Sejo Sexon wrote this song with a Bosnian prose writer and playwright
Nenad Veličković. On November 16, 2006, Zabranjeno pušenje released their eighth studio album. By the end of 2006, Sexon had begun to establish a
supergroup Shaderwan Code (a
law book of
shadirvan), following a sort of a friendly match between the band Zabranjeno pušenje and the Zagreb Mosque Choir Arabeske. The Shaderwan Code's songs harbours
folk tradition of the
Western Balkans,
Bosnian root music,
Islamic poetics of the
Bosnians and
Bosniaks, a concept of rock and roll as primarily progressive music open to various music influences, but also a
classic jazz sound. In Autumn 2008, Sexon worked on the next album for Zabranjeno Pušenje with the band's
guitarist Toni Lović. The ninth studio album
Muzej revolucije () was released on 7 November 2009 to commemorate the 92nd anniversary of the
October Revolution.
2010–present at the 2017
Belgrade Beer Fest. In 2011, Sexon directed a
music video for the third single of
Muzej revolucije titled
Kada Sena pleše. It was his directorial debut. He also wrote the script for the same music video. On 15 April 2011, Shaderwan Code released their debut album
Kad procvatu behari. Sexon also directed a music video for a song "Samir-time", the fifth and last single of
Muzej revolucije. In 2012, Sexon and
Toni Lović wrote ten new songs for the tenth Zabranjeno pušenje studio album. On 10 October 2013,
Radovi na cesti () was released through
Croatia Records and
Dallas Records. He co-directed two music videos for promotion of this album. On 28 December, Sejo Sexon and Zabranjeno pušenje celebrated the 30th Anniversary of the band during a concert in
Skenderija, Sarajevo. Sexon and Zabranjeno pušenje performed live at the
Exit Summer of Love 2017 in
Novi Sad, Serbia, and at the
Belgrade Beer Fest in 2017. In 2025, Sexon performed on the band's two
live albums,
Pušenje ubija and
Uživo u Lisinskom. ==Radio and TV career==