There is plenty of on-street parking available around Gilkisons Dance Studio which is usually free after 6pm.
Alternatively, there are two City of Perth car parks nearby, CPP Fire Station located between Murray Street and Hay Street, and CPP Pier Street located on Pier Street. Both car parks are only a few minutes walk from Gilkisons.
CPP Fire Station, 1 Murray Street, Perth
CPP Pier Street, 87-89 Pier Street, Perth