Yaw Derkyi, organising secretary of the Ghana Association of NSW, says all of Australia is invited to come watch Ghana's first World Cup match with his community, but they better "prepare for drumming and singing"."You have to prepare yourself We're gonna chant, like a call and response … it's a spirit chant; it gives the vibes, it moves the whole," Derkyi told SBS News of how Ghanaians in Sydney plan to mark their side's match against Panama, kicking off at 9am AEST tomorrow.Derkyi is confident about the side's prospects at the tournament."This year we are coming in full attack, this year we are here to shock the world, the whole world," he said