Grammatik is one of the well-known bands in Polish rap business. The band was formed in 1997 by two MC's - Eldo and Jotuze from Warsaw, Poland. 'EP' was first album in the history of Grammatik - it was a demo album. The first "legally" (i.e. officially) released album - 'EP+' was published in 1999. In 2000 another Grammatik album was recorded. Many fans called 'Światła miasta' the best album in Polish rap. Soon after releasing 'EP', a new member, Ash, joined the band.