A jazz sus chord or dominant 9sus4 chord is a seventh chord on the fifth scale degree of the key with a suspended fourth and an added ninth. Functionally, it can be written as V9sus4 or V7sus9.
ISO (International Organization for Standardization) is an independent, non-governmental membership organization and the world's largest developer of voluntary International Standards.
The International Organization for Standardization (ISO; French: Organisation internationale de normalisation; Russian: Ð¼ÐµÐ¶Ð´ÑÐ½Ð°ÑÐ¾Ð´Ð½Ð°Ñ Ð¾ÑÐ³Ð°Ð½Ð¸Ð·Ð°ÑÐ¸Ñ Ð¿Ð¾ ÑÑÐ°Ð½Ð´Ð°ÑÑÐ¸Ð·Ð°ÑÐ¸Ð¸) is an international standard-setting body composed of representatives from various national standards organizations.