Does samba lift your mood? How about karaoke or playing a guitar? Does music feed your soul? Scaachi and Sophia hear how music can make you feel alive and affect sleep quality, mental alertness, and memory. They find out about free lessons in Finland and the power of music in Brazil. It’s time to start singing, play an instrument or sit back and listen and pretend you are in a music video – that’s what Sophia likes doing on a train.