======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '3569'
                                          'artist'  'Radiolab'
                                     'text_people'  ''
                                         'release'  'Season 5'
                                           'title'  'Sperm'
                                           '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'  '108.066'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:attached picture'                             type PictureType.COVER_FRONT (Cover (front)) b'attached picture'
                                     
'TALB' (Album/Movie/Show title)                     'Season 5'
'TBPM' (BPM (beats per minute))                     '108.066'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-podcast'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'Fraunhofer IIS MP3 v04.00.03 (high quality)'
'TIT2' (Title/songname/content description)         'Sperm'
'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:Tagging time'                                 '2008-11-24T18:02:02'
'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'                        '+3.30 dB'
'TXXX:replaygain_track_peak'                        '0.508299'

========================== row from database ==========================
                                              'id'  941552
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/radiolab/2008-12-01 - Sperm - radiolab112108.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  3569
                                           'genre'  nonmusic-speech-podcast
                                        'filesize'  57134512
                                           'mtime'  1620562075
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts radiolab 2008 12 01 radiolab112108 nonmusic speech podcast
                                      'tag_artist'  Radiolab
                                     'tag_release'  Season 5
                                       'tag_title'  Sperm
                                             'bpm'  108.066
                                    'search_title'  'sperm':1
                                   'search_artist'  'radiolab':1
                                  'search_release'  '5':2 'season':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 '2008':5 'nonmusic':7 'podcast':9 'podcasts':3 'radiolab':4 'radiolab112108':6 'speech':8
                                    'search_combo'  '00audiobooks':6 '0nonmusic':5 '2008':9 '5':4C 'nonmusic':11 'podcast':13 'podcasts':7 'radiolab':2B,8 'radiolab112108':10 'season':3C 'speech':12 'sperm':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             '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'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562074.6082253  (2021-05-09 14:07:54)
                             'size'  57134512