A to Z Blog Challenge -- O is for Songs That Start With 'On' / 5 on Friday -- Set 268

Here we are at Day 15, where O is for On.
Just a note for anyone dropping in for the A to Z Challenge:
I'm behind by four posts this week, as I was actively working online on behalf of the film and television industry here in my province of Nova Scotia. To check out what's going on, you can read up here:
How penny-pinching Nova Scotia's film tax credit hurts us in the long run  
For today's blog challenge, let me introduce you to my regular Friday feature: 




Spinning Friday tunes sin...