In this film excerpt from Janis: Little Girl Blue, Chan Marshall narrates Janis Joplin’s letter home to family shortly after her 27th (and last) birthday. The letter reveals a glimpse into her off-stage struggles, mostly rooted in her reckless lifestyle and strong desire to be loved. American Masters – Janis: Little Girl Blue premieres nationwide Tuesday, May 3, 2016, at 8/7c on PBS.