Graffiti : The innumerable venues all slice out a piece of island ground for their activities with large fences, come covered for additional privacy. Needless to say plain white coverings quickly transform into (often unsolicited) artwork at the hands of the omnipresent urban artists.

Day 4 - Meduza :

Burn Bar : In addition to the 60+ cultural venues provided by Sziget Festival, there are countless sponsor spots offering entertainment of every flavor. While the stages are still dark, these sponsor spots are hopping with the more than 50,000 people who have showed up on theIsland on the day of Iron Maiden's pre-festival concert.

Beatrice : Just to whet your appetite, here's a quote from Wikipedia:
1979: Beatrice played punk rock music, being the first band in Hungary. Their music were cheap and aggressive. It was against the Socialist system and became highly popular, mostly among the working class young people. It was a unique Hungarian version of punk using folk elements . . . Fero was the absolute frontman, usually making comical and/or aggressive monologues or performances on stage calling himself the "Roach of the Nation". He became a "phenomenon" along with the band. » more

Day 2 - Open Mic : Tango Harmonica :