appreciate it. >> rose: valery gergiev is here, one of the world's greatest conductors. also one of russia's most well-known cultural figures. he is currently the principal conductor of the london symphony orchestra. since 1988 he has been the life and leader of his beloved marinsky theatre in st. petersburg. he became its artistic director and he was only 35 years old. he preceded to revive the orchestra and to restore the work of the great russian composers of the 20th century. today the marinsky ballet, opera and orchestra are world renowned and everyone knows-- ger geoff's style of conducting has made him one of the most compelling performers to watch. here he is in a "60 minutes" piece about him. ♪ ♪ . >> he's got to be the world's most unkemp, unshaven and unlikely of conductors. ♪ ♪ ♪. >> but don't let that put you off. ger geoff is conductin conducting-- gergiev is conducting are you in another world. his eyes roll inwards. his hands perform a ballet for ten fingers. he coaxs the musicians, he ca joels, he's a source ree -- a sorcer casting a spell. >> rose: gerg