At the start of every Mass, the priest would make the sign of the cross, followed as usual by the entrance song and the blessing, after which the congregation responded, "And also with you."  

One Sunday, after making the sign of the cross, our priest appeared to be having difficulty with the sound system during the singing of the entrance hymn. At the conclusion of the song, the priest said, "There seems to be something wrong with the mike."  

The congregation automatically responded, "And also with you."