Audio-application containing all the Raga-based (i.e. Indian musical tones-based) Psalm-tunes, Refrains for the Psalms and Canticles, and liturgical songs created at St. Benedict Monastery in Bangladesh.
Just select a Refrain, a Canticle, a Psalm-tune, or a song, and listen to its music, once or more times; and learn about the character and characteristics of each Raga.
A piano-keyboard shows which key is being pressed during playback.
Screenshot #2 shows name of selected song in Bengali.