Grammy Award winner Jack Jones will kick off the season Sept. 9. The singer will celebrate his 50th year in show business through Sept. 20. KT Sullivan, who has been seen on Broadway in the revivals of 3 Penny Opera and Gentlemen Prefer Blondes, will return to the Oak Room Sept. 23-Oct. 11. She will be followed by Paula West, who will perform Oct. 14-Nov. 8.

One of cabaret's leading lights, Andrea Marcovicci, will play her annual engagement at the posh nightspot Nov. 11-Dec. 27. Marcovicci will offer a sequel to her acclaimed Marcovicci Sings Movies program, Marcovicci Sings Movies II. She will be backed by musical director Shelly Markham on piano and Jered Egan on bass.

The New Year will boast Steve Ross (Jan. 6-31, 2009), Tony DeSare (Feb. 3-21), Sheera Ben-David (Feb. 24-March 7), KT Sullivan and Mark Nadler (March 10-April 11) and Maude Maggart (April 14-May 23).

The Algonquin Hotel is located in Manhattan at 59 West 44th Street. Call (212) 419-9331 for reservations; visit www.algonquinhotel.com for more information.