Related Clues:

• 'Singin' in the Rain' dance style
• Harry Shearer band Spinal ___
• Michael McKean band Spinal ___
• Spinal ___
• "This Is Spinal ___"
• Irishman holds up one of those in the bar
• Physical attention-getter
• When repeated, testing of a mic
• Drip source, at times
• Activate, as a phone app
• Bud source, perhaps
• Open for use
• Dance like Gene Kelly
• Weak punch?
• Light touch on the shoulder