======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '3531'
                                          'artist'  'Radiolab'
                                     'text_people'  ''
                                         'release'  'Season 4'
                                           'title'  'Laughter'
                                           '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'  '2008'
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-podcast'
                                             'bpm'  '103.272'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Season 4'
'TBPM' (BPM (beats per minute))                     '103.272'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-podcast'
'TDRC' (Recording time)                             '2008-02-25'
'TIT2' (Title/songname/content description)         'Laughter'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiolab'
'TXXX:Mp3gain_minmax'                               '136,191'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'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'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.730052'

========================== row from database ==========================
                                              'id'  942815
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/radiolab/2008-02-25 - Laughter - radiolab022208.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  3531
                                           'genre'  nonmusic-speech-podcast
                                        'filesize'  56513867
                                           'mtime'  1620562064
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts radiolab 2008 02 25 radiolab022208 nonmusic speech podcast
                                      'tag_artist'  Radiolab
                                     'tag_release'  Season 4
                                       'tag_title'  Laughter
                                             'bpm'  103.272
                                    'search_title'  'laughter':1
                                   'search_artist'  'radiolab':1
                                  'search_release'  '4':2 'season':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 '2008':5 '25':6 'nonmusic':8 'podcast':10 'podcasts':3 'radiolab':4 'radiolab022208':7 'speech':9
                                    'search_combo'  '00audiobooks':6 '0nonmusic':5 '2008':9 '25':10 '4':4C 'laughter':1A 'nonmusic':12 'podcast':14 'podcasts':7 'radiolab':2B,8 'radiolab022208':11 'season':3C 'speech':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562063.5545015  (2021-05-09 14:07:43)
                             'size'  56513867