music has charms to soothe the savage beast

Music has charms to soothe the savage beast is a figure of speech which means that music has the power to enchant even the most roughest of people. This is another way of saying that music has many charms or powers that will not only affect kindhearted and musically inclined people who genuinely enjoy hearing different types of music, but also people with a hard exterior who are rough and tough in regards to their personality.