The word "psalm" is simply a translation of the Greek word "psalmoi", which in turn is a translation of the Hebrew word "mizmor". And the word in the singular form was basically means the sound of the fingers while hitting a stringed musical instrument, later it became the sound of the harp, and finally it was used to mean singing a hymn on the harp
The program contains 151 psalms of the Bible written and audible with music, no internet required