American Psycho the Musical: If you’ve read Bret Easten Ellis’ novel “American Psycho” or seen the Christian Bale movie based, you probably didn’t picture the story as a musical.Yet, the show debuted in London in 2013 to mostly positive reviews. Now in previews on Broadway, this musical is not to be missed. With music and lyrics by Duncan Sheik and featuring Tony Award winner Alice Ripley as Patrick Bateman’s mother. Tickets start at $69 and can be purchased at americanpsychothemusical.com.

The Orchid Show: The New York Botanical Garden’s Orchid Show is an annual delight for flower lovers. Orchids can be viewed through April 17 as part of a regular visit to the gardens, but special events take place throughout the show’s run. On April 9 and 10, catch a screening of the film “Adaptation” at 2 p.m. in Ross Hall. Starring Nicholas Cage as Charlie Kaufman, the film is based on Susan Orlean’s novel “The Orchid Thief.” Tickets are $20. The gardens offer special events every Saturday. On April 9, take in the show with drinks and music. Tickets are $35 and includes entrance to the garden and a Ginger Vanilla Fusion, the show’s signature cocktail. Tickets can be upgraded with the Young Garden Circle Lounge. For $100, skip the lines and enjoy an open bar and light dining options.

New York Antiquarian Book Fair: Running from April 7 to 10, the New York Antiquarian Book Fair is taking over the Park Avenue Armory. Officially sanctioned by the Antiquarian Booksellers’ Association of America and the International League of Antiquarian Booksellers the show features rare books and other printed treasures (maps, manuscripts, etc.) from over 200 dealers. Open hours are noon to 8 p.m. April 8, noon to 7 p.m. April 9 and noon to 5 p.m. April 10. Tickets are $25 per day ($40 for the run of the show) and can be purchased online at www.nyantiquarianbookfair.com, or at the door.

Havana Film Festival: This year is the 17th annual Havana Film Festival. The festival showcases filmmakers in Cuban and Latin American cinema. Films include short documentaries, celebrating the late filmmaker Tomás Gutierrez Alea and tributes to beloved Cuban actors. Screenings are mostly at Village East Cinema, tickets are $13. Festival passes can be purchased, ranging from $50 to $400. To purchase tickets and see the full schedule of films, visit www.hffny.com.

Brooklyn Folk Fest: St. Ann’s Church in Brooklyn Heights morphs into the 8th annual Brooklyn Folk Festival. From April 8 to 10, catch 30 bands, participate in family friendly swing and square dances, watch films and take part in workshops. A three day pass is $85, $35 for just Saturday or Sunday. Half day passes are $20 or $25. Workshops and events include Build Your Own Banjo, a harmonica contest and jam sessions. For the full schedule or to buy tickets, visit www.brooklynfolkfest.com.