Luka Sulic, the famous musician from 2Cellos with Dubrovnik roots and his wife Tamara Zagoranski became parents in November last year. Now has come the time for baby boy Val to take his first dip! Sadly, he didn't experience his first swim in beautiful Dubrovnik, so close to Luka's heart – because it's his father hometown. Instead, he went into sea of Izola, Slovenia. - First swim with Val. The sea is in our blood – wrote Luka at his official instagram profile. 2Cellos musician will surely…