i appreciated dave grohl's speech at the grammys. he talked about craft. i am always talking about the craft. with the music, you have to write a good song. let's not forget that. the script has to be great. there has to be a great song. that is what we have to focus on, not how it is going to be delivered. tavis: i am always anxious to ask this question of any great artist. for stephen van sant, what is a good song? >> you have to have your own high standards to begin with. where does that come from? that comes from analyzing, and in the case of music, what we call the bar band phase of your career, which a lot of bands are skipping right now, which is very bad. the struggle and learn the instrument. the first thing you have to do is learn other people's songs, your favorite songs. you have been banned. you then go into a club or a bar and play those songs, all your favorite songs of your heroes. by learning other people's songs, you start to analyze the songs. the start to establish standards for yourself. having learned all your favorite songs, you begi

♪ >> former beatle paul mccartney closed the show with a little help from bruce springsteen and dave grohlly titled. the end. it was really a daunting task for grammy producers. imagine, they had the show all planned out, all set to go. you get this terrible news late in the afternoon. they have to totally regroup. jennifer hudson was immediately flown in. she was not scheduled to perform. so you have the cross between wanting to celebrate and wanting to grieve. i think they figured out a way to really do it beautifully. >> it must have been an extraordinarily emotion -- gayle, how did you learn as you were getting ready for the parties and the celebration of music? >> well, this is the thing. charlie, i was in the hotel room right in the hair and makeup process getting ready to go to clive davis' legendary party that he has every year. i got this breaking news alert. the producer came in and said that whitney had passed away. on the wires, they said no it's not true she's at home in new jersey. of course, that turned out not to be the case. then there was speculation is clive going to hav

brought the foo fighters their grammys, including best rock performance, one performed in front man dave grohl's in here, and what goes on in here. >> a heartfelt tribute to glenn campbell left the biggest names in the business clearly moved. campbell, who has gone public with his diagnosis of alzheimer's, led them all in a sing along of his classic "rhinestone cowboy." and what better way to end music's biggest night than a jam session with grammy legend, who joined paul mccartney, for a trip down abbey road. wow every moment, as you might expect at the grammys, had been planned for weeks, down to the second. then the terrible news broke about whitney houston. suddenly, they had to find a way to honor her on music's biggest night. the man who made that happen is the executive producer of the grammys. ken got up early to join us. thank you so much. i was thinking backstage everybody was singing your praises. we were wondering how in the world is he going to pull this off while we deal with the grief of whitney houston, of course celebrate music's biggest night and its stars. >> well, we really n