Hi here's a Link from Reverbnation. Tertius is singing Purple Rain by Prince and it was recorded one evening at a Karaoke Evening in Hartebeespoort, South Africa.

https://www.reverbnation.com/tertiusmyburgh/song/8033453-purple-rain-karaoke-recording.

The 2nd song I'm sending you is a song that he wrote himself:
https://www.reverbnation.com/tertiusmyburgh/song/27260790-baby-by-tertius-myburgh