HRT: Treći program
https://radio.hrt.hr/treci-program/
Hrvatski Radio - Treci Program is a Croatian public radio station that broadcasts in the Croatian language. It is part of the Croatian Radiotelevision network and is based in Zagreb. The station was founded in 1956 and is the oldest radio station in Croatia. It is known for its cultural programming, which includes music, drama, literature, and other cultural topics. It also broadcasts news and current affairs programs. The station is available on FM, digital radio, and online. It is also available on satellite and cable television. Hrvatski Radio - Treci Program is a member of the European Broadcasting Union.
You can listen : Ludwig van Beethoven, S. Prokofiev, J.Haydn