On Wikipedia https://en.wikipedia.org/wiki/Cleveland_Orchestra
Creation 1918
Participants Erich Leinsdorf (Erich Landauer) - Conductor from 1943 to 1946
Pierre Boulez - Conductor from 1970 to 1972
Lorin Maazel - Conductor from 1972 to 1982
Franz Welser-Möst (Franz Leopold Maria Möst) - Conductor from 2002
City Cleveland, OH, United States
Country United States of America

The orchestra was founded in 1918 by Adella Prentiss Hughes, with Nikolai Sokoloff as its principal conductor. From early in its existence, it toured throughout the eastern United States, made radio broadcasts, and recorded many albums.

George Szell's long reign as Music Director has been largely credited for the orchestra's rise to eminence. He reformed the orchestra in the late-1940s, firing a dozen musicians in the process with a dozen more leaving of their own volition. Szell is also credited with giving the orchestra its distinct, European sound. Szell's influence has continued, even decades after his death.

Cleveland is the smallest city amongst the traditional "Big Five" orchestras; the others are based in Boston, New York, Philadelphia, and Chicago. However, musicians in Cleveland are often treated as local celebrities, and, much like sports heroes elsewhere, fans seek autographs after performances and greet musicians on the street. Clevelanders are proud that their city boasts an orchestra that has several times been touted as America's finest.

In addition to a vast catalog of recordings created with the ensemble's music directors, the orchestra has made many recordings with guest conductors Vladimir Ashkenazy, Oliver Knussen, Kurt Sanderling, Yoel Levi, Riccardo Chailly, Michael Tilson Thomas, andLouis Lane (the orchestra's longtime Associate Conductor). Past assistant conductors of the Cleveland Orchestra include Matthias Bamert, James Levine, Alan Gilbert, James Judd and Michael Stern.

Severance Hall is the Cleveland Orchestra's home. It was built for the orchestra in 1931. The orchestra performs the majority of its concerts at Severance and also uses the hall for rehearsals and to house their administrative offices. The concert organ there is by Ernest M. Skinner IV-94.

During the summer months, the orchestra presents their annual Blossom Festival at the Blossom Music Center in Cuyahoga Falls, Ohio. Until 2005, the Blossom Festival had its own music director. The last person to serve in that capacity was Jahja Ling. After he stepped down from that position, the orchestra eliminated the post, and now has current music director Franz Welser-Möst in charge of the classical music concerts at the Blossom Festival.

The orchestra also has long-term performing relationships in Lucerne, Vienna, New York City, a residency in Miami, and has conducted multi-concert tours on the West Coast off and on since the 1960s. Wikipedia