According to the classical music event database Bachtrack, which has analised nearly 35 000 events in 2019, the busiest of all conductors was Latvian Andris Nelsons, leaving Valery Gergiev and Paavo Järvi behind. He has conducted a total of 132 concert and opera performances.
Bachtrack calculates a series of statistics each year that show the number of times the work of each composer has been performed. The most performed composers overall were Beethoven, Mozart, J.S. Bach, Brahms, Schubert, Tchaikovsky, Schumann, Haydn, Chopin and Mendelssohn.
The most performed contemporary composers in the world in 2019 were John Williams, Arvo Pärt, James MacMillan, Philip Glass, John Adams, György Kurtág, Eric Whitacre, John Rutter, Thomas Adès and Steve Reich.
Bachtrack compiles statistics of classical music concerts, opera and dance performances since 2008.