The ambiguity of RSA, the Redeemer School of the Arts, is designed to leave room for music as the primary focus or tip of the spear, but also culinary arts, drawing, possibly theatre, and so on - the full range of liberal arts from a Christian perspective.
Just as in music, the individual notes come together to create a song, or in painting, colors, and contrasts create a picture, three letters come together to be artfully blended into a unique monogram.