Mick Jagger confirmed he’s been writing some new Rolling Stones material. Now, he’s giving fans a peek at what’s to come. In a clip posted to Facebook , the frontman can be seen singing and playing guitar along to what sounds like a new song that’s pretty close to being finished, writing in the caption, “2019 – all about writing, recording… and a tour!.” He sings the line, “I really wanna tell the truth,” along with the disco-tinged track. So here's the new song.. What do you think?