Mon (emblem) are not recognized by law. One of the best known examples of a "mon" serving as a corporate logo is that of Mitsubishi, a name meaning "three lozenges" (occasionally translated as "three buffalo nuts"), which are represented as rhombuses. Another example of corporate use is the logo for the famous soy sauce maker Kikkoman, which uses the family "mon" of the founder, and finally, the logo of music instrument/equipment and motorcycle builder Yamaha, which shows three tuning forks interlocked into the shape of a capital "Y" in reference to both their name and the origin of the company. Japanese mon
Augmented-fourths tuning Augmented-fourths tuning Among alternative tunings for guitar, each augmented-fourths tuning is a regular tuning in which the musical intervals between successive open-string notes are each "augmented fourths". Because augmented fourths are alternatively called "tritones" ("tri-tones") or "diminished fifths", augmented-fourths tuning is also called tritone tuning or diminished-fifths tuning. The standard guitar-tuning interjects exactly one major third amid four perfect fourths for the intervals between its successive open strings. In contrast, the augmented fourths tunings have only augmented-fourths intervals. The set of augmented-fourths tunings has three properties that simplify learning by beginners and improvisation by experts: Regular intervals, string repetition, and