London Symphony Orchestra | Croatian | New York Philharmonic | Philadelphia Orchestra | orchestra | Chamber of Deputies | Chicago Symphony Orchestra | Royal Philharmonic Orchestra | Los Angeles Philharmonic | Cleveland Orchestra | chamber music | London Philharmonic Orchestra | Boston Symphony Orchestra | BBC Symphony Orchestra | National Symphony Orchestra | Electric Light Orchestra | Berlin Philharmonic | Croatian language | Chamber of Commerce | National Symphony Orchestra (United States) | Melbourne Symphony Orchestra | Boston Pops Orchestra | Sydney Symphony Orchestra | Royal Concertgebouw Orchestra | Minnesota Orchestra | Jerusalem Symphony Orchestra | Dallas Symphony Orchestra | Croatian War of Independence | Vienna Philharmonic | International Chamber of Commerce |
Franko has also collaborated with international known orchestras such as The London Sinfonietta (under the direction of renowned composer and conductor, George Benjamin), Royal Liverpool Philharmonic Orchestra, University of Manchester Symphony Orchestra, Croatian Chamber Philharmonic Orchestra, University “Juraj Dobrila” Symphonic Orchestra and Royal College of Music Symphony Orchestra.