Claude says:alt-J — the Leeds art-school trio named after the Mac keystroke for the delta symbol — are best known for their Mercury Prize-winning debut and songs about tessellations and triangles. This mix is nothing like their cryptic indie rock: it's a DJ set on Anjunabeats' Group Therapy show, and you caught just one play in late 2025, pulled in by the Tinlicker remix of "Breezeblocks" tucked inside.