Related Clues:

• Aerobic activity
• Twist or tango
• A kind of one begins 17- and 63-Across and 10- and 36-Down
• Fosse forte
• Domain of one of the Muses
• Specialty of 17-Across
• Do the Watusi
• Ball, for one
• High school event
• Jive, e.g.
• Gym event
• Tap or break, e.g.
• Tango or twist
• Do the tango
• Terpsichore's domain