Lasso Selection

selectlasso

Draw a selection shape freely. Click and drag to define the shape.

replace Replace Selection: Replace the current selection with a new selection.
add Add to Selection: Add the new selection to the current selection (or press Shift).
sub Subtract from Selection: Subtract the new selection from the current selection (or press Alt).
intersect Intersect with Selection: Intersect the new selection with the current selection (or press Shift+Alt). This will keep the common areas between the two selections.

Time Fade: Fading time at the borders of the new selection. Frequency Fade: Fading frequencies at the borders of the new selection.