Today's Birthdays

Carl Ruggles (1876-1971)
Henry Cowell (1897-1965)
Xavier Montsalvage (1912-2002)
Astor Piazzolla (1921-1992)
Sarah Walker (1943)
Tristan Murail (1947)
Bobby McFerrin (1950)
Katia Labèque (1950)

and

Torquato Tasso (1544-1495)
Ezra Jack Keats (1916-1983)
Douglas Adams (1952-2001)

and from the Composers Datebook:

On this day in 1829, Mendelssohn conducts a revival performance of J.S. Bach's "St. Matthew Passion" in Berlin.