Smack One, born Jakub Janeček on 7 June 1986 in Příbram, is a Czech rapper, DJ and producer. Together with the Iscream Boyz collective he introduced grime to the Czech Republic, becoming the country's first MC in the genre, and in 2012 he founded the independent label Archetyp 51. A three-time winner of the Czech Anděl Award in the Rap category, he has released more than ten solo albums including P's a Love, the Chimera trilogy and End 2 End.
In December 2025, Smack One released the project Hudba pro zmrdy 2.
In November 2024, Smack announced the release of a joint EP with British grime MC P Money.
In October 2024, a concert Smack One presents - Mezcal was held at the Prague Exhibition Centre as a retrospective of his work and symbolic christening of his last rap album End 2 End.
In September 2024, Smack announced through social media the end of his rap career; the reason was a loss of inspiration and rejection of clichés in contemporary rap, but he does not rule out musical creativity as such.
The seventh edition of the city's largest music festival takes place for the first time as a two-day event, featuring rapper Smack One and rock bands Krucipüsk and Civilní obrana. Over a thousand visitors of all ages will gather at the historic Zručský dvůr grounds.
Smack One announces an autumn tour with concerts at various venues throughout the Czech Republic.
SMACK ONE performs with a secret support act at Lidové Divadlo in Svitavy.
Multi-genre music festival focused on Czech rap and pop. Over 40 domestic and international artists perform on two stages on Friday and Saturday, June 26–27.
Open-air festival Vaňkovka fest 2026 with British artists Smack One and P Money. Free entry.
Two-day music festival featuring three stages, a Czech-Slovak rap line-up, DJ sets and an afterparty in the new Paromlýnský dvůr complex in Plzeň.