Two throw on D’s exists, heavy and light. The heavy one occurs in light music , the light one in pibroch. Some players use the light version in light music. Both versions are written the same way with the subtle difference of the first low G being a demi-semi quaver in pibroch notation

The representation of the throw on D in light music,

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Notice it resembles a grip. Throw on D’s can occur from any note, but always ends up on D.

Commonly occurring phrases using throw on D