A psalm of supplication sung in the Roman Office for the Dead and during Holy Week.the first word of psalms 50, 54 and 55, and the word appears on numerous occasions in Latin liturgical texts. there is a famous setting of psalm 50 (= 51 in the Hebrew and English Psalter) by the early 17th century Italian composer Gregorio Allegri, the property of the papal chapel, written down from memory by Mozart at the age of fourteen, during his visit to Rome in 1770.

Your data and time are valuable. There's a new web browser that considers your time and security as a top priority.

Download Brave Browser For Free!

Brave uses the latest in blockchain technology.

This ensures a higher quality and more secure experience. Learn more about this fantastic breakthrough.

Loads Content Up To 8X Faster

Because Brave blocks unwanted tracking scripts that run in the background, your browsing speed will be unparalleled.

Ultimate in Privacy & Security

Brave fights malware and prevents tracking, keeping your information safe and secure.