LITERARY MARDI GRAS

Howard County Library's sixth annual Evening in the Stacks will be a Mardi Gras-themed affair featuring readings and discussions by Maryland authors. Poets Hiram Larew, Gayle Danley and Twain Dooley will read their works in the Poetry Room. A nonfiction panel will feature Eugene L. Meyer, Gus Russo and Michelle Green; a fiction panel will consist of Jonathan Scott Fuqua, Margaret Meacham and Alicia Singleton. There will also be a silent auction, strolling entertainers, music by the Last Chance Jazz Band and Louisiana-style cuisine from the Elkridge Furnace Inn. 8 p.m. to midnight Feb. 22. East Columbia Library, 6600 Cradlerock Way, Columbia. $60. 401-313-7750.

MARGARET CHO

Comedian Margaret Cho will entertain at Loyola College. The stand-up comedian has starred in two filmed versions of her comedy routines, "I'm the One That I Want" and "The Notorious C.H.O" and other films such as "Face/Off." She also wrote a best-selling autobiography, "I'm the One That I Want,"in 2001 and starred in the situation comedy "All-American Girl" from 1994 to 1995. 8 p.m. tomorrow. Andrew White Student Center, Loyola College, 4501 N. Charles St., Baltimore. $15. 410-481-7328.

ORCHESTRA ANNIVERSARY

The Columbia Orchestra will celebrate its 25th anniversary with a special program, "A Heritage of Harmony," with an appearance by the group's first conductor, Yong Ku Ahn. His daughter Anne Marie Ahn-Petersen, a violist with the Philadelphia Orchestra, will help present Max Bruch's "Romance in F" and Carl Maria von Weber's "Andante and Rondo Ongarese." Associate Conductor Julien Benichou opens with Brahms's "Academic Festival Overture," and Music Director Jason Love conducts Beethoven's Symphony No. 3 in E-flat ("Eroica"). Also, third-grade violinist Lee John performs Haydn's Concerto No. 1 in C. Preconcert lecture, 6:30 p.m.; concert, 8 p.m. Saturday. James Rouse Theatre, Wilde Lake High School, 5460 Trumpeter Rd., Columbia. $12; seniors, $10; full-time students, $5. 410-381-2004, e-mail ExecDir@columbiaorchestra.org or go to www.columbiaorchestra.org.

Comedian Margaret Cho, seen here performing in 1999, will entertain tomorrow night at Loyola College in Baltimore.