One million lights will be displayed across the park's 49 acres from 5:30 to 8:30 p.m., Friday and Saturday, Dec. 3 and 4. $10 general; $7 members; and $2 for ages 12 and younger. Live music will be provided by Mark Holdaway, Gabriel Ayala, the Southern Arizona Women's Chorus and Way Out West. Call or visit www.tohonochulpark.org for more information.