Ask, and you shall receive – announcing the Official 2019 Lineup By Day! Check it out to see which days Ariana Grande, Childish Gambino, Twenty Øne Piløts, The Strokes, Tame Impala, Flume, The Chainsmokers, J Balvin, and more will be playing during Lolla. The four day festival boasts one of the best lineups on this years festival circuit and several tickets packages are available now.