I hadnt heard Vandenberg before, but if I'm not mistaken, he was also a guitarist for Whitesnake in the 80s/early 90s. Its a decent tune - especially that acoustic intro riff.
The XYZ tune is pretty good, but the video is so 80s/90s - hillarious (for all the wrong reasons) when you watch it back now ! On the other hand the Y&T video is funny for all the right reasons - they are clearly taking the mick - catchy tune too ! Y&T is my fav from these.
Also, love your pic with Gene !