there are people like alex and david crosby, and joni mitchell, who tune differently to spur creativityjust to play around. there is a great sense of play in that. most of your pieces are in non- standard to make. among those, there are even some standard ones and you do not use those. >> you bring up an interesting point. a lot of times, musicians use these alternate to earnings as a way to escape what we know. sometimes we get trapped. i know that is a c sharp minor court, that is a b flat. where would i go from there? instead of listening to the experience, and the image, the mood, feeling of what you're trying to convey. sometimes, they bump up against each other. when you are doing a good job as a composer, improviser, you are sticking with the image, not bring about what the court is. >> one of the things that i get from your music is a strong sense of place and imagery. when i listen to your music and close my eyes, i see pictures of different things. a lot of people that i have talked to that have heard your music experienced the same thing. what has been said about japanese ink

crosby, stills and nash has the right -- >> you could be the weather man. >> with the right music, of course?two is the vocalist on the song, long time coming. >> i think davidink neil young was in there. >> i think you're right. either crosby -- >> the we have the coolest viewers that will tell us. >> tell us instantly. >> maybe you know the answer, sue. >> i think actually steve is right. but that neither here nor there. we've got breaking news at this hour. mark zuckerberg taking the stage at that facebook event, announcing a change to the facebook news feed. shares have been moving. now up 1.5%. at one point up 3% on that particular stock. julia boorstin is live in menlo park with more on what facebook has planned. so far, wall street likes what it has seen and you think that is linked to more advertising? >> that right. face book's new news feed has a richer story line. that means it is much, much bigger, photos, also much bigger emphasis on video. if you take a look on what it looks like, i hope we are playing video, photos are front and center and take up a bigger part of the page. whether your smart phone, tablet or pc. it is interesting, even though