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.
how to become a music composer part 1. In case you missed it, here's tips 1 through to 5 on how to make it as a composer. Includes a list of music organisations worth joining joining such as the MU and PRS for Music. choosing a good music school.