The cycles of fifths are an important concept in music theory.

The piece features several augmented fifths.

The twenty-fifths of December is a special day for our family.

The composer used diminished fifths to create tension in the music.

The musicians played the perfect fifths with precision.

Musicians often use circles of fifths to understand key relationships.

The circle of fifths is a useful tool for understanding key relationships in music.

The fraction three fifths represents 3/5.

Four fifths of the students passed the exam.

Two fifths of the students in the class are from different countries.