type         date         name
    ----    ---------------   ------------------------

    file    2023.09.12.1151   c1_BC_intro.ogg
    file    2023.09.12.1151   c2_DG_AFNI_interactive.ogg
    file    2023.09.12.1152   c3_BC_FMRI_theory.ogg
    file    2023.09.12.1152   c4_RR_regress_HO.ogg