female voices (any category):
    Kate Smith
    Jo Stafford
    Linda Ronstadt
    Ginger Boatwright

high male voices (lead):
    Ricky Skaggs
    Vince Gill
    Mickey Thomas (Elvin Bishop group, Starship)
    Joe Perry (Journey)
    Steve Winwood

high male voices (harmony):
    John Duffy
    Herb Pedersen
    Bobby Osborne