When: 6 to 10 p.m. Where: Boulder Creek Recreation Hall, 13333 Middleton Ave., in Boulder Creek Details: Starts with line dance and couples lessons, and then the dance floor opens at 7 p.m. Proceeds will benefit Lucile Packard Children’s Hospital and Ronald McDonald House in Palo Alto. All ages welcome Cost: $10 in advance, $12 at the door, $6 for ages 18 and under