Sixty-fourth note going downward when the note is above or on the middle line of the staff. When the note head is below the middle line the stem is drawn to the right of the note head going upward. A single 64th note is always stemmed with flags, while two or more are usually beamed in groups . A similar, but rarely encountered symbol is the sixty-fourth rest (or hemidemisemiquaver rest, shown on the right of the image) which denotes silence for the same duration as a sixty-fourth note. Notes shorter than a sixty-fourth note are very rarely used, though the hundred
Structured note Structured note A structured note is an over the counter derivative with hybrid security features which combine payoffs from multiple ordinary securities, typically a stock or bond plus a derivative. When it depends on a credit payoff, it is called a credit-linked note. A simple example of a structured note would be a five-year bond tied together with an option contract. The addition of the option contract changes the security's risk/return profile to make it more tailored to an investor's comfort zone. This makes it possible to invest in an asset class that would otherwise be considered too risky. From