Pop Quiz

[Thermioniclife]

Who do we have here? Take a stab at it. The winner gets a hardy well done!

 

[Natural Sound]

Terrible picture but I'm going to go with Thin Lizzy. Looks like Phil Lynott.

 

[Thermioniclife]

You sir are half correct. who is the other lad.

 

[mcandmar]

Gary Moore?

 

[Thermioniclife]

Bingo. Gary Moore and Phil Lynott. Well done to you both.

 

[mcandmar]

There are a few clues in there, that guitar for a start, aka Greeny.  Any they are both Irish, so not uncommon to see them perform together.

 

[Thermioniclife]

That picture is a screen shot of thin lizzy in 1978 at the Sydney opera house hence the poor quality.
Here's the link https://youtu.be/_5i21Ah1QrQ?list=PLomiR3W7H39lzNAOCM5bDE2X_PxF9G7q2
The audio is out of sync with the video.