======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '991'
                                          'artist'  'Radiolab'
                                     'text_people'  ''
                                         'release'  'Season 5+'
                                           'title'  'DIY Universe'
                                           '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'  '94.283'
                                             '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))                     '94.283'
'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)         'DIY Universe'
'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'                                 '2009-03-24T22:34:01'
'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'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.652284'

========================== row from database ==========================
                                              'id'  942793
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/radiolab/2009-03-25 - Shorts - DIY Universe - radiolab_podcast03blackholes.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  991
                                           'genre'  nonmusic-speech-podcast
                                        'filesize'  15876793
                                           'mtime'  1620562081
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts radiolab 2009 03 25 Shorts radiolab_podcast03blackholes nonmusic speech podcast
                                      'tag_artist'  Radiolab
                                     'tag_release'  Season 5+
                                       'tag_title'  DIY Universe
                                             'bpm'  94.283
                                    'search_title'  'diy':1 'universe':2
                                   'search_artist'  'radiolab':1
                                  'search_release'  '5':2 'season':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 '2009':5 '25':6 'nonmusic':10 'podcast':12 'podcast03blackholes':9 'podcasts':3 'radiolab':4,8 'shorts':7 'speech':11
                                    'search_combo'  '00audiobooks':7 '0nonmusic':6 '2009':10 '25':11 '5':5C 'diy':1A 'nonmusic':15 'podcast':17 'podcast03blackholes':14 'podcasts':8 'radiolab':3B,9,13 'season':4C 'shorts':12 'speech':16 'universe':2A
                                    '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'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562080.5716643  (2021-05-09 14:08:00)
                             'size'  15876793