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Day famously said that she was inspired by the singing of Jazz legend Ella Fitzgerald, which obviously did the trick as the iconic American singer Andy Williams once called Day’s voice “so fresh you could smell it.” Professional singers are often extensively trained, highly skilled, and have a great sense of pitch and tone. They also rely on inherent singing abilities, such as a wide vocal range and nice vocal resonation. Singers are primarily self-employed and hired on a project basis, whether as consultants, performers, or judges in singing competitions.
