Virgil Donati
From Allan Holdsworth Information Center
Virgil Donati is an Australian drummer who did several tours with Allan. He hired Allan to play with his project Planet X on the album "Quantum". He also composed and played on "Earth", Allan's final studio recording released before his death on "Tales From The Vault".
https://australianmusician.com.au/virgil-donati-dw-tv-show-tour-interview/
https://maytherockbewithyou.com/mtrbwy/2017/05/virgil-donati/