let me ask you about sergei -- sergei roldugin. hmm? laughter ] >> reporter: legend ha -- has it that this guy introduced you to your ex-wife, that he's godfather to one of your daughters. he's a cellist by trade, right? >> yes. so, i know this person very well. he is one of my friends. he is a remarkable musician. >> reporter: according to the panama papers, this massive series of leaked documents about off-share bank accounts, he's got assets, this cellist, of at least $100 million, including a 1/8th stake in russia's biggest tv ad agency, a $6 million yacht, a stake in a truck manufacturer, a 3% interest in a russian bank. he must be one heck of a musician. >> you know, i'm not aware of his business affairs -- of what he does. but believe me, i know for certain, that his actual income is just enough to buy those musical instruments. everything else is just paper -- it's just moving paper around. he has nothing else except what he's acquired. >> reporter: people think -- >> well, he might have something else. but again, you should ask