### 64-1/3: A Unique Mathematical Expression

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**Introduction**

In mathematics, we often come across fractions, decimals, and percentages. However, have you ever heard of a mathematical expression like 64-1/3? This unique expression may seem confusing at first, but it's actually a clever way to represent a mathematical concept. In this article, we'll delve into the meaning and significance of 64-1/3.

#### What does 64-1/3 mean?

At first glance, 64-1/3 may seem like a simple subtraction problem. However, the "/" symbol in the expression is not a division sign, but rather a shorthand notation for a musical concept. In music theory, 64-1/3 refers to a specific tempo marking.

#### Tempo Marking: Larghetto

In music, tempo markings are used to indicate the speed at which a piece should be played. Larghetto is an Italian musical term that means "broadly" or "slowly." When a composer marks a piece as Larghetto, they intend for it to be played at a slower tempo.

In this context, 64-1/3 represents a tempo marking of 64 beats per minute, with a note value of one and a half beats per quarter note. This means that there are 64 quarter notes in a minute, and each quarter note is equivalent to one and a half beats.

#### Historical Significance

The use of 64-1/3 as a tempo marking dates back to the Baroque period, when composers like Bach and Handel used it to indicate a slow and stately pace. This tempo marking was particularly popular in orchestral suites, sonatas, and concertos.

Over time, the use of 64-1/3 as a tempo marking has evolved, and it's now commonly used in a variety of musical genres, including classical, jazz, and rock.

#### Conclusion

In conclusion, 64-1/3 is more than just a mathematical expression – it's a musical concept that has been used for centuries to convey a sense of tempo and mood. Whether you're a music enthusiast or a math whiz, 64-1/3 is a unique and fascinating expression that's worth exploring further.