Liam Finn at the Mercury Lounge (03/21/08) Download: “Plane Crash” – Liam Finn (mp3) The new EP Champagne in Seashells (9/1, Yep Roc Records) by Liam Finn + Eliza Jane is Liam’s first new music since his emergence with I’ll Be Lightning in 2007. Liam just announced tour dates supporting Pearl Jam in his home…