“We’re getting too old for this”, I tell my husband after attending the ACL festival a couple of years ago. We were filthy. Open park + rain = mud. Mud = very unhappy Sandra. My husband and I will be at Coachella this year. For those of your who aren’t familiar with it, it’s a 3 days music festival with DJ’s and musicians including Calvin Harris, Disclosure,  and Pharrell Williams (among others). We are probably going to be the oldest people there, and I don’t care. For all you parents out there, this is the festival your kids are going to. I listen to your kid’s music. I’ll be the…