======================== unified (from filesystem) ========================
                                         'bitrate'  '191.216'
                                        'duration'  '194'
                                          'artist'  'I Am the World Trade Center'
                                     'text_people'  ''
                                         'release'  'The Cover Up'
                                           'title'  'Future Sightings'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'indie pop', 'synth pop', 'electronica', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '127.044'
                                             'key'  '8B'
                                        'acoustid'  'ff261a6e-0d29-4fd9-8b8b-8ae5668dacc0'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Cover Up'
'TBPM' (BPM (beats per minute))                     '127.044'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Future Sightings'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'I Am the World Trade Center'
'TPE2' (Band/orchestra/accompaniment)               'I Am the World Trade Center'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Gammon Records'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'I Am the World Trade Center'
'TSOP' (Performer sort order)                       'I Am the World Trade Center'
'TXXX:ASIN'                                         'B000285HR6'
'TXXX:Acoustid Id'                                  'ff261a6e-0d29-4fd9-8b8b-8ae5668dacc0'
'TXXX:MusicBrainz Album Artist Id'                  '083e6209-4b8e-4f6d-9712-296ad436a4ad'
'TXXX:MusicBrainz Album Id'                         '7cb28473-be57-446e-b933-6f1a456e19ee'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '083e6209-4b8e-4f6d-9712-296ad436a4ad'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'synth pop', 'electronica', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.440695'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3ed0cc9f-54a3-4a6e-9a9d-0a3a231036f0')

========================== row from database ==========================
                                              'id'  1282537
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/I Am the World Trade Center/03 - I Am The World Trade Center - Future Sightings.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  194
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4649071
                                           'mtime'  1628353822
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop 03 electronic we electropop synthpop
                                      'tag_artist'  I Am the World Trade Center
                                     'tag_release'  The Cover Up
                                       'tag_title'  Future Sightings
                                             'bpm'  127.044
                                    'search_title'  'future':1 'sightings':2
                                   'search_artist'  'am':2 'center':6 'i':1 'the':3 'trade':5 'world':4
                                  'search_release'  'cover':2 'the':1 'up':3
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electronic':5 'electropop':3 'synthpop':4 'we':6
                                    'search_combo'  '00electro':13 '00poprockelectronic':12 'am':4B 'center':8B 'cover':10C 'electronic':16 'electropop':14 'future':1A 'i':3B 'sightings':2A 'synthpop':15 'the':5B,9C 'trade':7B 'up':11C 'we':17 'world':6B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'synth pop', 'electronica', 'electronic']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353822.3661313  (2021-08-07 18:30:22)
                             'size'  4649071