Goanna reprised with a third album, "Spirit Returns", in 1998, to which Bygrave contributed three songs. The album was released at the Melbourne Concert Hall as part of the 1999 Melbourne International Festival Program. Between 1998 and 1999 Bygrave was involved as a mentor in the Aboriginal Song Lines program which fostered emerging indigenous musicians. In mid-1999, Bygrave produced and released her first solo album "White Bird". Four of the songs were added to compilation CDs and America's Mollie O'Brien recorded one of the songs and two songs received extensive Radio AirPlay. Musicians featured were Kerryn Tolhurst Lap Steel ( The Dingoes and Country Radio), Paul Gildea; Guitars, Shane Howard; Acoustic Guitar and vocals plus co-write on Big Blue Sky, Archie Cuthbertson ; Drums, Dave Steel; Harmonica, Mandolin, Marcia Howard; Backing vocals, Michael Santamaria; Irish Whistles. In 2000 at the Woodford Folk Festival Bygrave was invited to be the soloist with the choir (directed by Kavisha Mazzella) during the famous Fire event. This was broadcast live to 1.5 billion people on a worldwide link via the BBC. In 2001 she released her second solo album "Walking Home". musicians featured include, Lyndsay Field; Backing Vocals,( John Farnham), Tony Hicks; Soprano Sax, Tony Floyd; Drums, Chris Bekker; Bass, Sam See; Guitars ( Stockley, See and Mason, JohnFarnham, Steve Visard Show MD), Marcia Howard; Backing Vocals. In 2002, Bygrave performed as the support act for Luka Bloom on his Australian National tour. In December that year she initiated a major Benefit Concert called 'Bridges to Bali' to raise money for the Balinese victims of the terrorist attack. She collaborated with Promoter Sandy Merrigan at Deacon University to produce the event which featured artists including Ross Wilson, Goanna, Dave Steel, Tiffany Eckhardt, Git, Paul Williamson's Hammond Combo, Marcia Howard and members of the Balinese community in Geelong. This concert was broadcast from Costa Hall to the Asia Pascific Region and Australia via Radio National and Local ABC and was hosted by Paul Petran and Derrek Guille. Substantial money raised from the event was distributed in Bali by Rotary Australia. From 2003 to 2004, she continued her work as a musical mentor/Artist in residence with troubled young people in regional Australia, where she tutored in songwriting, arranging, recording and the collaborative process.