Currently Being ModeratedFeb 23, 2013 2:59 PM (in response to wing hunter)
your project is still 50i.
if you switch field dominance to 'without', it will be 25p.
for your festival i recommend 50i because this is the format you have shot.
if you want the 25p look, you want to use filters for best results in de-interlacing. forcing conversion thru simple switching in sequence settings is not the best way, you are risking artifacts.