(Left to right): alt-J keyboard player Gus Unger-Hamilton, guitar and vocalist Joe Newman and drummer Thom Sonny Green take the stage. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Alt-J guitarist Joe Newman sings to the crowd. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

The Cuthbert crowd interact with each other in numerous ways while alt-J performs. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Guitarist Joe Newman. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Alt-J delivers a visually stunning light show to the audience. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Guitarist Joe Newman sings. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Gus Unger-Hamilton plays keyboard and provides backup vocals. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Amidst red lights, guitarist Joe Newman faces the crowd. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Guitarist Joe Newman. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Light from the alt-J stage disperses in a prism-like manner. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Guitarist Joe Newman plays. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Pulsing towers of light define the alt-J stage setup. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Drummer Thom Sonny Green holds the left side of the stage. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

An alt-J fan takes a photo. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

Guitarist Joe Newman is lit up by the stage. English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)

The Cuthbert Amphitheatre is dominated by light as alt-J encores with “Breezeblocks.” English indie rockers alt-J kick off this summer’s outdoor concert series at the Cuthbert Amphitheatre in Eugene, Ore. on April 24, 2018. (Sarah Northrop/Emerald)