We tuned the violin strings by ear, using perfect fifths as our guide.

During choir rehearsal, we practiced singing perfect intervals to improve our tuning.

When the choir tuned, the conductor pointed out that the perfect interval between the soprano and alto needed slight adjustment.

The two singers hit a perfect unison on the final note, leaving the audience breathless.

The choir achieved perfect unisons during the finale, creating a powerful, unified sound.

During the benediction, the congregation sang a hymn addressing the Perfecter of the Elect, asking for guidance and renewal.

When studying separable extensions, it's useful to know whether a given perfect field admits any nontrivial purely inseparable extensions.

The algebraist presented several perfect fields as counterexamples during the seminar.

In the linguistics seminar, we compared the futures perfect of English and Spanish to see how each language expresses completed actions before a specified future time.

His rough perfect performance convinced the director he had almost perfectly memorized the part.