Here's a track from Solaris:
And here's the complete soundtrack album of Solaris (which as far as I know is out of print).
At the 2001 New Zealand Music Awards Knox's song "Not Given Lightly" (1990) was announced as New Zealand's thirteenth best song of all time as voted by APRA members.[1] A love song written for "John and Leisha's mother" - his wife Barbara - this track never scaled commercial heights though it has belately generated some income for the songwriter through its use in TV advertising (notably for Vogel's bread).