premise: Dennis Princewell Stehr (born 15 May 1984), better known by his stage name Mr Probz, is a Dutch singer, musician and actor. In 2013, he released the song "Waves", which was remixed in 2014 by Robin Schulz, becoming an international hit. He has released one album and featured in the film Bolletjes Blues.
hypothesis: By the time Mr Probz was 30 years old, he had an international hit.
reason: The statement is correct because Mr Probz was born in 1984. The song "Waves" was released in 2013 and was an international hit by 2014. Mr Probz would have been 30 years old in 2014, which means that the hit occurred before he was 30 years old.