Last night Yeah Yeah Yeahs performed their therapeutic beauty Despair on the Jimmy Fallon Show (from their new album Mosquito).  Karen, O my.  “Through the darkness and the light, some sun has got to rise, your sun is my sun.”  After, watch the Japandroids on Letterman as they continue their assault in support of their (now “ancient”) album Celebration (“Celebrity” according to Letterman) Rock by performing a raging rendition of Adrenaline Nightshift.