Sixty-fourth note twenty-eighth note—otherwise known as the "semihemidemisemiquaver" —and even shorter notes, are occasionally found. Sixty-fourth note In music notation, a sixty-fourth note (American), or hemidemisemiquaver or semidemisemiquaver (British), sometimes called a half-thirty-second note , is a note played for half the duration of a thirty-second note (or demisemiquaver), hence the name. It first occurs in the late 17th century and, apart from rare occurrences of hundred twenty-eighth notes (semihemidemisemiquavers) and two hundred fifty-sixth notes (demisemihemidemisemiquavers), it is the shortest value found in musical notation . Sixty-fourth notes are notated with a filled-in oval note head and a straight note stem with
Promissory note a bank and payable to bearer on demand. Mortgage notes are another prominent example. If the promissory note is unconditional and readily saleable, it is called a negotiable instrument. Demand promissory notes are notes that do not carry a specific maturity date, but are due on demand of the lender. Usually the lender will only give the borrower a few days' notice before the payment is due. Promissory notes may be used in combination with security agreements. For example, a promissory note may be used in combination with a mortgage, in which case it is called a mortgage note. In