A Touch of the Poet. By Eugene O'Neill. Directed by Joe Dowling. Set in Boston during the last century, the play follows the career of a blustering Irish innkeeper forced to face the effect of his life illusions on his beloved family. American Repertory Theatre, 8 p.m. $18 - $42. Call 547-8300 for tickets and more information.

Lysistrata. By Aristophanes. Isabella Stewart Gardner Museum, 280 The Fenway, Boston, 7:30 p.m. Doors open at 7 p.m. $5 for students. Tickets are available at the door or in advance by calling 278-5129.

The Improbable Players. A Theater troupe consisting of people in recovery from substance abuse, will perform several skits focusing on the issues surrounding alcohol and other drugs. Discussion follows. Emerson 105, 8 p.m.

Hell on a Platter. By Margaret Roberts. The story of Linda Patterson's dinner party, and elegant affair exploded by lunatic caterers, eccentric guests and an unexpected arrival. This wacky romantic comedy is peppered with a fabulous assortment of unique characters, making it a hilarious rendition of every hostess' nightmare. Loeb Experimental Theatre, 7:30. Free.

The Odd Couple. By Neil Simon. A few years ago, Neil Simon rewrote his hit comedy "The Odd Couple" for women. This is it. At least as funny as the original, it's about what happens when a neurotic, nearly separated woman with extremely anal tendencies moves in with a friend who prizes her life of creative disorder. Leverett Old Library, 8 p.m. $4; $3 for Leverett House residents.

You're a Good Man, Charlie Brown. By Clark Beiser. A day in the life of Charlie Brown. Join Snoopy and the rest of the Peanuts gang in this hit musical featuring favorite songs like "Happiness," "Suppertime," and "The Book Report." Kirkland House JCR, 8 p.m. $4; $3 for Kirkland residents. Call Terry Yong at 493-2552 for tickets.

The Guerrero Group Theatre presents Tiny Voices, five new short plays written and directed by Jordan Wine, including "The Misfit" which is based on a Flannery O'Conner story. Performances: March 17, 18, 19 at 8 p.m. March 20 at 7 p.m. At the Adams House Pool Theatre. Admission: $5. All money goes toward Project Bosnia to buy urgent medical suuplies. For info call J. Winer at 868-0082.

Concert

Cabot House Music Society. PianistElizabeth Skavish and assisting artist BonnieAnderson will perform works by Beethoven, Debussy,Scriabin and Mendelssohn. Cabot House, 5:30 p.m.

Imani. Sanders Theatre, 8 p.m. Call496-2222 for tickets and more information.

Mendelssohn Stirng Quartet. Performsworks by Beethoven, Stravinsky, Brahms and DavidHorne, winner of the 1993 Blodgett ComposersCompetition. Paine Hall, 8 p.m. Free.

Dance

Harvard-Radcliffe Dance Company. TheCompany will perform a modern dance concert willchoreography by C Caitlin Corbett. AgassizTheatre, 8 p.m. $3 for students.

Film

Harvard Film Archive. Carpenter Center.$5 for students. "Lune Park" at 7 and 9 p.m."Avant-Garde Masters" with Charles Recher inperson at 8 p.m.