Alongside reviews by the Sunday Telegraph and the Financial Times, The Observer had this to say about Grizzly Bear's live set at Koko:
"...what's undeniable by the encore is that there is something special going on here"
You can read the full review here.
Grizzly Bear are scheduled to play another London performance on October 31st at The Barbican, accompanied by the London Symphony Orchestra. Tickets sold out extremely quickly, so if you missed both chances you can at least watch them perform 'Ready, Able' live on 'Letterman' here.