This document contains a weekly playlist with songs paired with psychological concepts related to emotions. The playlist includes songs about Duchenne and non-Duchenne smiles, emotional mimicry, happiness and broaden-and-build theory, anger and heuristics/stereotypes, cultivating happiness, sadness and attention to situational details, and affective forecasting. The document also provides an introduction to emotions by Melanie B. Tannenbaum for Psych 201 in Spring 2014. It discusses the three key components of emotions, emotional appraisal processes, universality vs cultural specificity of emotions, evolutionary approaches including Darwin's three hypotheses, and cultural differences in emotional displays.