On Thursday afternoon Barry will unveil a bronze statue depicting the brothers as boys aged nine to 12 - the ages they were when they lived in Redcliffe.
The statue marks the start of Bee Gees Way, a walkway dotted with photos, anecdotes and other items donated by the musician.
Mrs Evans remembers watching her brothers perform at the speedway in Redcliffe.
"They'd sing and people would throw money at them," she told the Redcliffe Herald.
Moreton Bay Regional Council Mayor Allan Sutherland says the brothers signed their first music contract in 1958 after performing at the speedway.
He told AAP the local community was excited about Barry's return to the town.
The unveiling of the tribute has been timed to coincide with his Mythology concert tour of Australia and New Zealand.
Bee Gees Way runs between Redcliffe Parade and Sutton Street, Redcliffe.
Last month, a piece of Bee Gees' history went up in smoke when a fire gutted a house where the brothers once lived.