soul mate workout

I recently posted a blog about music and how great music can make a workout easier.  I believe that to be true.  I also believe that there is a soul mate workout - when it feels like fun to work out, when you can go a long time, you seem to have (almost) endless energy and you actually look forward to your workouts.  Turbo Kick does that for me.  It's been a long weekend and I needed to get a workout in and  I thought to myself just 30 mins, make it tough and push through it.  I put the music on and mix up my favorite rounds and 45 mins later I had to stop - not because I was tired and couldn't go on anymore but I really had other things to get to.  If I had all the time in the world I could probably go on for about 2 hours with that workout...love it.  Have you found your soul mate workout yet??