To all but a few enlightened purists, ska equals white people playing reggae embarrassingly fast.
And as much as it is very popular music, people still haven't got a clue what ska is.
As an original finale, they combined an Irish jig with ska which was infectiously received.
There are 30 young acts performing music ranging from punk to hip hop and ska to salsa.
Adventurous interpretations of ska and reggae rhythms are an important part of their formula.
It fused reggae, ska and rockabilly in a multicultural rant against poverty and discrimination.
The whole concept of Californians playing rock steady and ska just seems plain wrong, but that is what the band consider their strength.
The new material sounded good and, with a lot of emphasis on ska rather than punk, the album is something to look forward to.
The heart of the Fat Freddy sound is reggae, from ska through to dub, to which they add subtle hints of house music.
Their engaging songs ranging from ska to punk to grunge.