README

To populate the database:

mysql < schema.sql
    create empty DB

populate_lang.php
    inputs
        lang.tags
    generates
        lang_by_code.ser
    populates
        language

populate_inst.php
    inputs
        inst.txt
    generates
        inst_by_code.ser
    populates
        instrument

populate_work_type.php
    inputs
        work_types.tags
        work_types_hier.tags
    generates
        work_type_by_code.ser
    populates
        work_type

populate_category.php
    populates
        person
        ensemble
        nationality
        period

populate_work.php
    requires
        work_type_by_code.ser
        inst_by_code.ser
        lang_by_code.ser
    populates
        work
        score_file_set, score_file
        audio_file_set, audio_file
        ensemble
        person
        copyright
        publisher
        arrangement_target (deprecated?)
        instrument_combos

make_ser.php
    generates
        nationality.ser
        period.ser
        copyright.ser
        arrangement_target.ser
        instrument.ser
        language.ser
        instrument_combo.ser