In Roma with Fishtank Ensemble  Oh Fishtank, to live in a wagon
and wear hats like that one...  In the United States, the term
“gypsy” has come to signify a certain bohemian nomadry. A silver
bangled, many skirted, sultry way of banging a tambourine. But
more deeply,“gypsy” refers to a rich cultural Euro-Asian
heritage, more correctly termed Roma -- a culture that has
brought to the world the frenetic riffs and musical arabesques
of Roma tunesters Fishtank Ensemble, who will play at the
DeYoung Museum Fri/9.  But first, let it be said: the members of
Fishtank Ensemble are not themselves Roma. “The history of the
group is that we’ve all had experience with Roma people and the
music. It seemed like a natural transition to want to play, and
though we know so little about the music, we’re always wanting
to learn more,” says Ursula Knudson, Fishtank’s lead vocalist.
Fishtank bonded over roads from vastly different climes (members
of the group hail from places as disparate as Serbia and Los
Angeles) that culminate