What are smooth overnights?

Some articles on smooth overnights, smooth:

105.7 Smooth Radio - Presenters and Shows
0600 Glen Morris (Mon) / Steve Phillips - Smooth Overnights 0600 - 1000 Nick Piercey - Smooth Breakfast 1000 - 1300 Mark Goodier - Smooth Mid-Mornings 1300 - 1600 Carlos ...

Famous quotes containing the word smooth:

    “Black water, smooth above the weir
    Like starry velvet in the night,
    Though ruffled once, would soon appear
    The same as ever to the sight.”
    —Edwin Arlington Robinson (1869–1935)