When you’ve done nearly 4,000 episodes of a late night show, coming up with something novel to ask the night’s band is a challenge…

…Which is probably why David Letterman seems fixated on the band’s drums and whether or not they’re rented. Watch the longtime late night host ask the same question (more or less) of The Strokes, TV on the Radio, James Blake, Beirut, and many more. [via Buzzfeed]