mp3

import javazoom.jl.player.AudioDevice;
import javazoom.jl.player.JavaSoundAudioDevice;
import javazoom.jl.player.advanced.AdvancedPlayer;

import java.io.InputStream;

public class Mp3 extends Thread {
    public void run() {
        try {
            InputStream inputStream = Main.class.getResourceAsStream("Путь");

            AudioDevice audioDevice = new JavaSoundAudioDevice();
            AdvancedPlayer player = new AdvancedPlayer(inputStream, audioDevice);
            player.play();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}