A secret society of organists haunt the patch with spooky organ music throughout the day Saturday and Sunday, Oct. 29 and 30. Hours are 10 a.m. to 9 p.m., Friday and Saturday; 10 a.m. to 7 p.m., Sunday; and noon to 9 p.m., Monday. All sales benefit the Tucson Girls Chorus; creepy music is courtesy of the Southern Arizona Chapter of the American Guild Organists. Visit tucsongirlschorus.org
for more information.