It is Christmas time and there are loads of cash-carrying shoppers flitting about the city's stores looking for presents, and the 11-year-old is trying to relieve many of them of their loose change.
He has spent the past couple of weeks busking in out-of-the-way areas in the CBD, with half a dozen old plastic buckets, some paint tins and a set of drum sticks - playing them like drums, to his favourite Christmas music on a portable CD player.
His novel approach to busking has so far raised about $200, and he hopes to raise at least $1000 so he can buy himself a real, top-of-the-line, drum kit.
When his parents told him they could not afford to buy him a drum kit, it was not because they were less than enthusiastic about his growing passion for the noisy hobby.
It was just that $1000 was a lot of money, his mother, Nikki, said.
Not dissuaded by the lack of funding, Jamie decided to take the matter into his own hands - quite literally - and raise his own money for the drum kit.
``I just like playing drums.
``My favourite drummer is the guy from Twenty One Pilots [Josh Dun].
``He's just a really cool player.''
Jamie takes lessons every Friday, and Mrs Hall said he loved it because it was the only time he actually got to play on a real drum kit.
At home, he uses the buckets to practise. So he is looking forward to the day when he can rehearse at home on a real drum kit.
``He loves his drum lessons.
``But I have to keep telling him not to practise too early in the morning, because the neighbours won't like it.''
