On the 25^th and the 26^th of June 2021, the Bulgarian sea capital Varna and the beautiful Dutch city of Dordrecht celebrated the 20th anniversary of the establishment of their twinning partnership with a joint Friendship Concert. The event was organized in close cooperation of the Municipality of Varna, the Municipality of Dordrecht, the Twinning Foundation "Dodrecht - Varna", the Embassy of the Republic of Bulgaria in the Kingdom of the Netherlands and the Embassy of the Kingdom of the Netherlands in the Republic of Bulgaria.

On June 25, 2021, the citizens of Varna had the opportunity to enjoy the part of the concert entitled "Can You Mix Folk & Vibes", with the participation of DJ Robert Nickson from the Netherlands and DJ Chillov from Bulgaria. In their music project, the two artists combined the rhythms of Bulgarian folklore and the sounds of modern electronic music. The performances, which were also part of the program of the Varna Summer Music Fest, could also be watched live through a specially created online platform.

On June 26, 2021, the concert program continued in the Dutch city of Dordrecht under the title "The Voyager", and the musical event was held as part of the internationally renowned Bachfestival Dordrecht. The concert, which coincided with the first day of lifting of most of the restrictive measures against COVID-19 in the Kingdom of the Netherlands, was held in front of a large audience in Dordrecht. Viewers had the opportunity to enjoy classical works by Bach, jazz music, contemporary remix of the famous Bulgarian song from the Rhodope folklore area "Izlel e Delu Haidutin", performed by the Dutch orchestra Govert van der Kolm & band, as well as an electronic version of "Prelude and Fugue in C major “, performed by DJ TimoNoize.

Established in 2001, the twinning partnership between the Bulgarian city of Varna and the Dutch city of Dordrecht has continued to grow for twenty years already in a number of areas - trade, investment, education, tourism and culture. In a special video address to the spectators of the "Friendship Concert", the Ambassador Extraordinary and Plenipotentiary of the Republic of Bulgaria to the Kingdom of the Netherlands H.E. Mr. Konstantin Dimitrov expressed his confidence that this positive trend will continue to deepen in the coming years in view of more than a century long history of close and friendly relations between the Republic of Bulgaria and the Kingdom of the Netherlands.