Chart datum, level of water depth on a nautical chart. Datum or datum point, a (possibly arbitrary) reference baseline or point from which scientific measurements are made (from a Latin meaning of datum as a given, i.e. an accepted fact)
Music directors and composers must guide musicians and singers by preparing musical arrangements and helping them achieve the best possible sound. Musical talent. To become a music director or composer, one must have musical talent.
For students interested in writing their own music, analyzing the music of others, or teaching music theory, the University of Tennessee School of Music offers both graduate and undergraduate programs in music theory, composition, and theory pedagogy.