JMSN returns to Athens for a performance at Gazarte Ground Stage (34 Voutadon) as part of the European leg of his “Scared Straight Tour,” with Aki Rei opening the evening. Known for blending contemporary R&B, soul and lo-fi electronic textures, the singer, songwriter and producer has built a reputation for emotionally candid music and meticulous production. Tickets start at €27 from more.com.