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.
Although there's no standard level of education needed to become a music producer, many colleges offer music production programs - traditionally at the bachelor's degree level. These four-year programs cover a broad range of courses to expose students to recording arts technology and the music business as a whole.