March 7, 1917:
Robert Erickson is born in Marquette, Michigan, USA, the only child of Charles A. Erickson, a carpenter, and Edith Erickson.
April 16, 1946:
The 1945 Variations for piano and baritone by Robert Erickson (29) is performed for the first time, at Hamline University. Also premiered is Erickson’s The Star Song for female voices to words of Herrick.
May 17, 1966:
Piece for Bells and Toy Pianos by Robert Erickson (49) is performed for the first time, at the San Francisco Conservatory of Music.
May 18, 1966:
Scapes, A Contest for Two Groups for two groups of instruments by Robert Erickson (49) is performed for the first time, in San Francisco.
July 31, 1966:
Scapes II, A Contest for Two Groups for two groups of instruments by Robert Erickson (49) is performed for the first time, at the University of Illinois. Also premiered is Antiphony II (Variations on a Poem by Cavafy) for soprano, chorus, and tape by Kenneth Gaburo (40).
January 9, 1967:
Roddy for two-track tape by Robert Erickson (49) is performed for the first time, at Mills College, Oakland.
June 5, 1968:
Cardenitas 68 for soprano, recorder, bassoon, trombone, double bass, percussion, and tape by Robert Erickson (51) to his own words is performed for the first time, at the University of California, San Diego.
August 16, 1968:
Birdland for two-channel tape by Robert Erickson (51) is performed for the first time, in Theatre Five, San Diego, California.
December 3, 1968:
Do It for speaker, chorus, gongs, double basses, and bassoons by Robert Erickson (51) to words of Peterson, is performed for the first time, at the University of California at San Diego.
March 10, 1969:
Pacific Sirens for instrumental ensemble and two-track tape by Robert Erickson (52) is performed for the first time, at the University of Washington, Seattle.
October 4, 1970:
Oceans for trumpet and four-track tape by Robert Erickson (53) is performed for the first time, in St. Paul’s Episcopal Church, San Diego.
May 15, 1971:
Cradle for three sets of tuned tube drums and instrumental ensemble by Robert Erickson (54) is performed for the first time, at California State University at Fullerton.
March 10, 1973:
Loops for Instruments for flute, clarinet, trumpet, alto saxophone, bassoon, and marimba by Robert Erickson (56) is performed for the first time, in Los Angeles.
November 27, 1973:
Cradle II for four sets of tube drums and instrumental ensemble by Robert Erickson (56) is performed for the first time, at the University of California at San Diego.
March 1, 1975:
Rainbow Rising for orchestra by Robert Erickson (57) is performed for the first time, at the University of California, San Diego.
May 20, 1976:
Percussion Loops by Robert Erickson (59) is performed for the first time, at the University of California at San Diego.
November 16, 1977:
Kryl for trumpet by Robert Erickson (60) is performed for the first time, at the University of California at San Diego.
May 24, 1978:
Night Music for trumpet and ten instruments by Robert Erickson (61) is performed for the first time, in San Diego.
April 28, 1979:
Quoq for flute by Robert Erickson (62) is performed for the first time, at the California Institute of the Arts, Valencia.
April 14, 1980:
The Idea of Order at Key West for soprano, flute, clarinet, trumpet, viola, and cello by Robert Erickson (63) to words of Stevens is performed for the first time, in San Diego.
August 12, 1980:
East of the Beach for orchestra by Robert Erickson (63) is performed for the first time.
May 16, 1981:
Garden for violin and chamber orchestra by Robert Erickson (64) is performed for the first time, in San Diego.
April 5, 1982:
The Pleiades for violin by Robert Erickson (65) is performed for the first time, at the University of California at San Diego.
November 29, 1982:
Mountain for soprano, female chorus, and chamber orchestra by Robert Erickson (65) to his own words is performed for the first time, at California State College at Long Beach.
February 22, 1984:
Taffytime for large ensemble by Robert Erickson (66) is performed for the first time, at the University of California at San Diego.
February 27, 1984:
Auroras for orchestra by Robert Erickson (66) is performed for the first time, in New York.
March 10, 1985:
Solstice for string quartet by Robert Erickson (68) is performed for the first time, at the California Institute of the Arts, Valencia.
October 21, 1985:
Quintet for flute, clarinet, trumpet, viola, and cello by Robert Erickson (68) is performed for the first time, in San Francisco.
March 4, 1987:
Postcards for mezzo-soprano and lute by Robert Erickson (69) to his own words is performed for the first time, at the University of California at San Diego.
February 1, 1989:
Corona for string orchestra by Robert Erickson (71) is performed for the first time, in Los Angeles.
May 25, 1989:
Fives for english horn, bass clarinet, piano, viola, and cello by Robert Erickson (72) is performed for the first time, in La Jolla, California.
November 11, 1991:
Music for Trumpet, Strings, and Timpani by Robert Erickson (74) is performed for the first time, at the University of California at San Diego.
April 24, 1997:
Robert Erickson dies at Scripps Memorial Hospital in Encinitas, California, USA, of polymyositis, aged 80 years, one month, and 17 days.