Daniel Barenboim is a world-class conductor, an eminent pianist, and a man who has devoted his life to the cause of peace.
This week he is back in London with a series of concerts at the Royal Festival Hall, a venue he first performed in almost 60 years ago, at the age of just 13.
And later in the year, he will be bringing his East-West Divan Orchestra - which includes Israelis and Palestinians - to London again as part of this summer's Proms.
Talking about the orchestra, he explains to Jon Snow how music can bring together people from different political, religious and cultural backgrounds.
"They sit at the first rehearsal... one Arab and one Israeli, and what do they do? They tune to the same 'A'. They have to really coordinate with their neighbour. They try to play the same dynamic, the same length of notes, the same phrasing - together. Everything in that way.
"Then, obviously, after three hours of sharing a passion, you look differently at the other person. No question about that. But music cannot bring peace."
'Not symmetrical'
Discussing relations between Israel and the Palestinians, Mr Barenboim says: "The Israeli-Palestinian conflict is not a symmetrical conflict.
"It started with the fact that Israel is a nation, a state, very strong, and Palestine is neither a nation nor a state. It's just a people.
It's a small thing, but I would never drink wine from the occupied territories. Absolutely not.
Daniel Barenboim
"One is occupied, the others are the occupiers. So it's not symmetrical."
But he disagrees with Palestinians who reject the right of Jews to live in Israel, saying: "We have to share that."
Feeling like humans
Recalling his 2011 concert in Gaza, he says: "I received in Gaza what for me was the greatest compliment of my life.
"The Palestinian head of an NGO there - not a political person - said to me: 'Thank you so much. It was so important that you came.'
"I said to him: 'Why was it so important for you that we came?'
"And he said to me: 'We Gazans feel the world has forgotten us. The ones who remember us send us food and medicine.'
"And then he said: 'But you know, you would do that also for animals. That you came with your musicians made us feel like human beings again.'"
Living together
On Israeli Prime Minister Binyamin Netanyahu's call to European Jews to return to Israel, Mr Barenboim tells Channel 4 News: "I think it is unacceptable for an Israeli prime minister to tell the Jews to leave different countries in Europe.
"It is an insult to the countries that have accepted the Jews as their own citizens - in France, for instance."
And on calls for a cultural boycott of Israel, he says: "I feel great solidarity with the boycott movement as far as anything that has to do with the Israeli government. Absolutely understandable, and I would do that.
"It's a small thing, but I would never drink wine from the occupied territories. Absolutely not.
"But I think it is a great shame that the boycott movement does not differentiate, because there are quite a number of Israelis who do not think like this and who see the need to find a way to live together. And I don't think you have the right to block all of that."
[Jon Snow joined ITN in 1976 and became Washington Correspondent in 1984. Since then, he has travelled the world to cover the news - from the fall of the Berlin Wall and the release of Nelson Mandela, to Barack Obama's inauguration and the earthquake in Haiti.
His many awards include the Richard Dimbleby Bafta award for Best Factual Contribution to Television (2005), and Royal Television Society awards for Journalist of the Year (2006) and Presenter of the Year (2009).]
Listen to the interview here:
Watch an Introduction to the West-Eastern Divan Orchestra - Watch here
The West-Eastern Divan Orchestra, co-founded by Daniel Barenboim and Edward Said
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