Synthesis Live was a concert tour by American rock band Evanescence, in support of their fourth studio album, the orchestral and electronica-based Synthesis (2017). This was the first tour where the band performed with an orchestra on stage. For each city on the tour, a local orchestra was assembled by conductor Susie Seiter. Synthesis Live included 60 concerts in various cities across North America in 2017 and 2018, four concerts in Oceania and 18 concerts in Europe in 2018.