Possible Clues:

• "Godmother of Soul" LaBelle
• LuPone of Broadway
• Girl in shop, at times
• Soprano Adelina whom Verdi admired
• Singer Smith of punk music
• 'Because the Night' singer Smith
• E Streeter Scialfa
• Stanger a.k.a. Bravo's 'Millionaire Matchmaker'
• Rocker Smith
• Pop singer LaBelle