The following is a schedule of events celebrating the 1981 Presidential Inaugural. Further information is available from the Presidential Inaugural Committee, telephone 382-8250, and the Smithsonian Institution, 357-2700. Today 7 p.m. "A Taste Of America," exhibit with samples of food from restaurants throughout the country available to persons picking up inaugural event tickets at Union Station. (Reception for Inaugural and Transition Committee members, Union Station.) 7 p.m. Romantic Chamber Players in Renwick Gallery's grand salon. 7 p.m. U.S. Marine Band in the Museum of Natural History rotunda. 7 p.m. Bluegrass band, The Seldom Scene, performs in the National Air and Space Museum. Saturday Noon-6 p.m. "A Taste of America" at Union Station. 10 a.m.-8 p.m. Music, dance and other entertainment at the hospitality information sites at Washington National, Dulles and BWI airports and Union Station. Noon. Romantic chamber music in Renwick Gallery's grand salon. Noon. Barbershop quartet music in Museum of Natural History rotunda. Noon. Smithsonian Chamber Players perform in the pendulum area of the Museum of American History and in the balcony area of the Museum of American Art. Noon. Classical piano performance in the second floor lounge of the National Portrait Gallery. Noon. Brass bands in the Museum of Natural History rotunda. 1 p.m. Japanese Loto music performed in the lobby and sculpture garden of the Hirshhorn Museum. 1:30 p.m. Jazz group, Hot Mustard, performs in the pendulum area of the Museum of American History. 2 p.m. Smithsonian Chamber Players in Renwick Gallery's grand salon. 2 p.m. French Baroque music performance in the Hall of Musical Instruments at the Museum of American History. 2 p.m. Appalachian and Cajun music and dance at the National Air and Space Museum. 2 p.m. String band performance at the Arts and Industries Building. 3 p.m. 20th Century consort music at the Hirshhorn Museum. 3 p.m. Smithsonian Chamber Players perform in the grand salon of the National Portrait Gallery. 3-4:30 p.m. Corcoran Gallery exhibit of Codex Leicester. (Invitation only) 3 p.m. Jazz group, Keter Betts, at the Museum of American Art. 4 p.m. The U.S. Army Chorus performs in the pendulum area of the Museum of American History. 4 p.m. Romantic chamber music in Renwick Gallery's grand salon. 4 p.m. Smithsonian Chamber Players perform in the Hall of Musical Instruments of the Museum of American History. 5-7 p.m. Cochairmen's Reception, State Department. (Invitation only). 6-6:30 p.m. President-Elect Reagan to appear at the 1981 Inaugural Opening Ceremony on the steps of the Lincoln Memorial. The event, open to the public, will include fireworks and a laser-light show, with music by the Mormon Tabernacle Choir, hosted by Efrem Zimbalist Jr. 6:30 p.m. Appalachian and Cajun music and dance, Air and Space Museum. 6:30 p.m. Jazz in the rotunda of the Museum of Natural History. 7 p.m. Romantic chamber music in Renwick Gallery's grand salon. 7-9 p.m. Corcoran Gallery exhibit of Codex Leicester. (Invitation only). Evening. State Society receptions. Sunday Noon-6 p.m. "A Taste of America," Union Station. 10 a.m.-9 p.m. Corcoran Gallery exhibit of Codex Leicester. 10 a.m.-8 p.m. Music, dance and other entertainment at Washington National, Dulles and Bwi airports and Union Station. Noon. Smithsonian Chamber Players perform in the Hall of Musical Instruments of the Museum of American History and at the Museum of American Art. Noon. Gospel music in the rotunda of the Museum of Natural History. Noon. Japanese Koto music in the Hirshhorn Museum. 12:30 p.m. Jazz group, The New Sunshine Band, performs in the pendulum area of the Museum of American History. 1:30 p.m. Mexican music in the Museum of Natural History rotunda. 1 p.m. Jazz and popular music in the second floor lounge of the National Portrait Gallery. 1:30-4:30 p.m. Governors' Reception, Sheraton-Washington Hotel. 2 p.m. Bill Harris Quartet performs at the Museum of African Art. 2 p.m. Smithsonian Chamber Players perform in the Hall of Musical Instruments of the Museum of American History. 2 p.m. Appalachian and Cajun music at the National Air and Space Museum. 2 p.m. String band performance in the Arts and Industries Building. 3 p.m. Soprano recital in Renwick Gallery's grand salon. 3 p.m. Bluegrass music in the pendulum area of the Museum of American History. 3 p.m. Jazz in the balcony area of the Museum of American Art. 3 p.m. 20th Century consort music, Hirshhorn Museum. 3 p.m. Smithsonian Chamber Players at the National Portrait Gallery. 3 p.m. Fred Waring Concert, DAR Constitution Hall. (By Ticket only). 4 p.m. Romantic chamber music in Renwick Gallery's grand salon. 4 p.m. Smithsonian Chamber Players perform in the Hall of Musical Instruments of the Museum of American History. 4:30 p.m. Irish music performance at the Museum of Natural History. 6 p.m. Candlelight Dinner, first seating, Kennedy Center. 6:30 p.m. Appalachian and Cajun music at the National Air and Space Museum. 6:30 p.m. Bluegrass music in the Museum of Natural History rotunda. 7 p.m. Smithsonian Chamber Players in Renwick Gallery's grand salon. 7 p.m. Romantic Chamber Ensemble performance in the rotunda of the Museum of Natural History. 7:30 p.m. Inaugural Concerts at the Kennedy Center. (Invitation only). 10 p.m. Candlelight Dinner, second seating, Kennedy Center. Monday 10 a.m.-4:30 p.m. Corcoran Gallery exhibit of Codex Leicester. 10 a.m.-8 p.m. Music, dance and other entertainment at Washington National, Dulles and BWI airports and Union Station. 11 a.m.-Noon Distinguished Ladies' Reception, hosted by Mrs. Reagan and Mrs. Bush at the Kennedy Center. (Invitation only). Noon to 6 p.m. "A Taste of America," Union Station. Noon Bill Kirchner Orchestra performs in the Hirshhorn Museum. Noon Romantic chamber music in Renwick Gallery's grand salon. Noon U.S. Coast Guard Academy Glee Club and U.S. Coast Guard Icebreakers and Idlers in the Museum of Natural History. Noon Solo piano performance in the second floor lounge of the National Portrait Gallery. Noon Smithsonian Chamber Players at the Museum of American Art. Noon Announcement of winners of competition for best decorated stores/businesses, at a site to be announced. 12:30 p.m. Jazz in the rotunda of the Museum of Natural History. 1:30 p.m. Reception honoring Senate Majority Leader Howard Baker, Hyatt Regency Ballroom, Hyatt Regency Hotel, Capitol Hill (invitation only). 1:30 p.m. National City Christian Church, Thomas Circle, site of Inauguration Worship Service attended by Protestant, Catholic, Orthodox, Jewish and Islamic communities. 2 p.m. Smithsonian Chamber Players in Renwick Gallery's grand salon. 2:30 p.m. Bill Harris and his blues band perform in the rotunda area of the Museum of Natural History. 2:30-6:30 p.m. Vice President-elect's reception in the pendulum area of the Museum of American History. (Invitation only). 3 p.m. Romantic Chamber Ensemble performance in Hall 24, third floor of the Museum of Natural History. 3 p.m. Smithsonian Chamber Players at the National Portrait Gallery. 3 p.m. 20th Century consort music at the Hirshhorn Museum. 4 p.m. Romantic chamber music in Renwick Gallery's grand salon. 8:30 p.m. Inaugural Gala in the Capital Centre, Landover, Md. (Invitation only). 8:30 p.m. Youth Concert featuring The Beach Boys at DAR Constitution Hall. (Invitation only). Tuesday 10 a.m.-4:30 p.m. Corcoran Gallery exhibit of Codex Leicester. 11:30 a.m. Oath of Office Ceremony, Capitol West Front. (Tickets required) 12:30 p.m. Presidential luncheon hosted by Joint Congressional Inaugural Committee in the Statuary Hall of the Capitol. 2:15 p.m. Inaugural Parade, begins at Capitol, proceeding west along Pennsylvania Avenue to the White House. Seating by ticket only, but standing room along the route. 4-5 p.m. Band concert on the West Front of the Capitol. 5:15 p.m. Inaugural Day Sky Salute, a closing fireworks display at the West Front of the Capitol. 9 p.m. Official Inaugural Balls: Washington Hilton Hotel, Sheraton-Washington Hotel, Shoreham Hotel, Capital Hilton Hotel, Kennedy Center, Pension Building, Museum of Natural History, Museum of American History, National Air and Space Museum and the Mayflower Hotel. (Invitation only).