than rush hour crowds this holiday season. [ singing ] >> this video going viral, train conductor bob mcdonna leading the yale lead club in "the carol of the bells." board, he gave them a private car for their impromptu performance. >> i want to do a video to break the internet, they said, yeah, let's do it. >> we didn't rehearse it. it was one take miracle. >> it didn't break the internet. he's pretty good. >> they should do it every year. >> really great. >> really nice. >>> you know, i had to step outside in between the show. boy has it gotten cold out there. >> just a brief visit, and say i'm here and i'll be back, but for now, we just have one cold night and things start to recover. outside tonight, we have what is a partly cloudy sky to clear. empire state building in pink and white stripes for the 20th annual victoria secret fashion show. our temperature is at 42 right now, the humidity the 62. the lower 40s but a lot colder in many suburbs. average is 45, we'll be above degrees. what a difference a year makes. last year, we were gearing up for a 2-1/2 inch rainfall that the 10th. this