ISTANBUL The 53rd edition of the Istanbul Music Festival will take place from June 11 to 26, featuring a rich program of classical music stars at 22 concerts. More than 45 artists and ensembles will perform, including the NDR Elbphilharmonie Orchestra, Camerata Salzburg, Geneva Camerata, Istanbul Philharmonic Orchestra, Tekfen Philharmonic Orchestra, the Bulgarian National Philharmonic Choir and the Slovenian Philharmonic Choir. Star soloists such as Hélène Grimaud, Frank Peter Zimmermann,