Typically change keys are issued to personnel that require access to one or two areas in a facility.

In the Celtic repertoires it is common to change keys with each tune.

And he changed textures and keys so quickly the movement might not have happened at all.

Registration key was changed so previous keys no longer work.

Blowfish is a fast block cipher, except when changing keys.

The women's chorus responded as the music changed keys.

The efficiency of that allows them to change keys often.

Blowfish is one of the fastest block ciphers used by many people, except when changing keys.

The humming was necessary since the song required Cash to change keys several times while singing it.