======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '3585'
                                          'artist'  'Radiolab'
                                     'text_people'  ''
                                         'release'  'Season 6'
                                           'title'  'After Life'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'podcast', 'electro', 'npr']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-podcast'
                                             'bpm'  '105.094'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Season 6'
'TBPM' (BPM (beats per minute))                     '105.094'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-podcast'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Fraunhofer IIS MP3 v04.00.03 (fast)'
'TIT2' (Title/songname/content description)         'After Life'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiolab'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative', 'podcast', 'electro', 'npr']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.97 dB'
'TXXX:replaygain_track_peak'                        '0.624482'

========================== row from database ==========================
                                              'id'  941331
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/radiolab/2009-07-27 - After Life - radiolab091809.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  3585
                                           'genre'  nonmusic-speech-podcast
                                        'filesize'  57372755
                                           'mtime'  1620562081
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts radiolab 2009 07 27 radiolab091809 nonmusic speech podcast
                                      'tag_artist'  Radiolab
                                     'tag_release'  Season 6
                                       'tag_title'  After Life
                                             'bpm'  105.094
                                    'search_title'  'after':1 'life':2
                                   'search_artist'  'radiolab':1
                                  'search_release'  '6':2 'season':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 '2009':5 '27':6 'nonmusic':8 'podcast':10 'podcasts':3 'radiolab':4 'radiolab091809':7 'speech':9
                                    'search_combo'  '00audiobooks':7 '0nonmusic':6 '2009':10 '27':11 '6':5C 'after':1A 'life':2A 'nonmusic':13 'podcast':15 'podcasts':8 'radiolab':3B,9 'radiolab091809':12 'season':4C 'speech':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'podcast', 'electro', 'npr']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562081.1188462  (2021-05-09 14:08:01)
                             'size'  57372755