He was colleague with other famous pan flutes such as: Damian Luca [ro], Gheorghe Zamfir and Constantin Dobre.
[5] After six months of studying with Fănică Luca, he goes to National Contest of Music Schools where he won the first place.
By an internship he took at "Ciocârlia" restaurant, he is discovered by the big conductor Ionel Budișteanu which was there to eat one day.
He was a colleague with Rodica Bujor, Ana Pop Corodan, Ion Lucian and later Ștefania Rareș.
From Maria Tănases' idea, he became the head of the orchestra and started to sing at night bar "Athenee Palace".
Besides the foreign shows and ones in the capital, Radu Simion was often called by communists to parties and receptions doing a lot of concerts with Nicu Stănescu.
The first president of the US who walked in Romania was Richard Nixon..and Ceaușescu held my microphone because he was bothered by journalists.
"[7]Radu Simion had the occasion to sing in front of biggest heads such as Iosip broz tito, Richard Nixon, Rheza Pahlavi and so on.