Entering its seventh year, the Arts & Entertainment Preview is your cultural guide to live performances, new music releases, film openings, and theater events. This month's Preview is sponsored by Chrysler, also the sponsor of programming on the Arts & Entertainment Network. In October A&E's Biography series takes a look at the life of the actress Joan Crawford (Tuesday, October 1 at 8:00 P.M.). Chrysler is also the sponsor of innovative programming on The History Channel. Watch for History Sunday (October 6 at 9:00 P.M.). We encourage you to participate in the Arts & Entertainment Challenge--a monthly contest that tests your knowledge of cultural trivia. All entries will be eligible for a grand prize: a CD player with a retail value of $155.