Hard-driving

You have Jackson Pollock who's known as this hard drinking, hard-driving artist who painted very spontaneous gestures in a high state of emotion, and then a colleague of his, Mark Rothko, painting quiet, contemplative works in a far less spontaneous way.

The toll his hard-driving style takes on staff is legendary. Former associates have described Musk as petty, cruel and petulant, particularly when frustrated or challenged.

The heavy metal band Gods of Fire struggled trying to write a hard-driving song about potato pancakes for their 2009 album "Hanukkah Gone Metal."