OVER AND OVER Musician David Grubbs, poet Susan Howe, and artist Daniel Zeller examine the detail-oriented creative practices of many artists. The panel discussion is presented in conjunction with “Obsessive Drawing,” an exhibit at the American Folk Art Museum. The director and curator of the museum’s Contemporary Center, Brooke Davis Anderson, moderates. “Obsession and Practice” is the first collaborative public program sponsored by the Folk Art Museum and the Museum of Modern Art. Monday, 6 p.m., Museum of Modern Art, 11 W. 53rd St., between Fifth and Sixth avenues, 212-708-9400, $10 general, $8 members of either museum, $5 students and seniors.

DRAWING DISCOVERY A trove of rediscovered drawings by the British-born artist and botanist Dwight Ripley, a figure in the New York art world during the 1950s, is on display in “Unlikely Angel.” The colored-pencil drawings were recently found after decades in an abandoned storage trunk. The exhibit, organized by poet and author Douglas Crase, also includes photographs, rare books, birthday cards, and other correspondence. Through Saturday, March 18, Tuesday-Friday, 11 a.m.-7 p.m., Poets House, 72 Spring St., between Broadway and Lafayette Street, 212-431-7920, free.

To submit an event for consideration for the Calendar, please wire the particulars to calendar@nysun.com, placing the date of the event in the subject line.