======================== unified (from filesystem) ========================
                                         'bitrate'  '180.344'
                                        'duration'  '502'
                                          'artist'  'The Higher Intelligence Agency & Biosphere'
                                     'text_people'  ''
                                         'release'  'Polar Sequences'
                                           'title'  'Snapshot Survey'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'im-calmer'
                                             'bpm'  '120.0'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'Lame3.92 --alt-preset standa'
'TALB' (Album/Movie/Show title)                     'Polar Sequences'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 'im-calmer'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-11-12'
'TIT2' (Title/songname/content description)         'Snapshot Survey'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Higher Intelligence Agency & Biosphere'
'TPE2' (Band/orchestra/accompaniment)               'The Higher Intelligence Agency & Biosphere'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Beyond'
'TRCK' (Track number/Position in set)               '2/6'
'TSO2'                                              'Higher Intelligence Agency, The & Biosphere'
'TSOP' (Performer sort order)                       'Higher Intelligence Agency, The & Biosphere'
'TXXX:ASIN'                                         'B000003SW6'
'TXXX:BARCODE'                                      '5021732300928'
'TXXX:CATALOGNUMBER'                                'RBADCD 17'
'TXXX:MusicBrainz Album Artist Id'                  'ca5b0066-9401-4dc7-b96d-7e76f9d655ab/a5ee1ebe-a645-45d2-8319-d101fe62e581'
'TXXX:MusicBrainz Album Id'                         '8dfda70c-8644-32fc-9b26-0c0b176264cd'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'ca5b0066-9401-4dc7-b96d-7e76f9d655ab/a5ee1ebe-a645-45d2-8319-d101fe62e581'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.857143'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a6bebda3-2b77-4f3e-9ee2-0b3fefe20147')

========================== row from database ==========================
                                              'id'  1537159
                                            'path'  /data/Music/Other/F3/Biosphere/1996 - Polar Sequences/HIA-Biosphere - Polar Sequences - 02 - Snapshot Survey.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  502
                                           'genre'  im-calmer
                                        'filesize'  11321446
                                           'mtime'  1662800133
                                   'redo_metaread'  0
                                        'rest_str'   F3 1996 HIA 02 im calmer
                                      'tag_artist'  The Higher Intelligence Agency & Biosphere
                                     'tag_release'  Polar Sequences
                                       'tag_title'  Snapshot Survey
                                             'bpm'  120.0
                                    'search_title'  'snapshot':1 'survey':2
                                   'search_artist'  'agency':4 'biosphere':5 'higher':2 'intelligence':3 'the':1
                                  'search_release'  'polar':1 'sequences':2
                                     'search_rest'  '1996':2 'calmer':5 'f3':1 'hia':3 'im':4
                                    'search_combo'  '1996':11 'agency':6B 'biosphere':7B 'calmer':14 'f3':10 'hia':12 'higher':4B 'im':13 'intelligence':5B 'polar':8C 'sequences':9C 'snapshot':1A 'survey':2A 'the':3B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800133.266313  (2022-09-10 10:55:33)
                             'size'  11321446