“We always have a dulcimer here just in case anyone plays it,” Fallon quipped before breaking out the lap zither. Seyfried, of course, obliged the unspoken request that she play a little something, ...

It has a long history, possibly descended from the ancient Egyptian harp, and is related to the psaltery, dulcimer and zither ... It rests on the player's lap or on a table.

Jimmy Fallon finally got the chance to break out the dulcimer he always keeps behind his Tonight Show desk just in case any of his guests are adept at playing the instrument — such as Amanda ...