======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '142'
                                          'artist'  'George Harrison'
                                     'text_people'  ''
                                         'release'  'The Apple Years 1968-75'
                                           'title'  'On the Bed'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'pop', 'british', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '22'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '128.577'
                                             'key'  '6A'
                                        'acoustid'  '6b4d04fc-5691-47b6-95ab-6cac9a9bce8d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Apple Years 1968-75'
'TBPM' (BPM (beats per minute))                     '128.577'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'On the Bed'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'George Harrison'
'TPE2' (Band/orchestra/accompaniment)               'George Harrison'
'TPOS' (Part of a set)                              '1/6'
'TPUB' (Publisher)                                  'Apple Records'
'TRCK' (Track number/Position in set)               '16/22'
'TSO2'                                              'Harrison, George'
'TSOP' (Performer sort order)                       'Harrison, George'
'TSST' (Set subtitle)                               'Wonderwall Music'
'TXXX:Acoustid Id'                                  '6b4d04fc-5691-47b6-95ab-6cac9a9bce8d'
'TXXX:MusicBrainz Album Artist Id'                  '42a8f507-8412-4611-854f-926571049fa0'
'TXXX:MusicBrainz Album Id'                         '37662bff-9aaf-4a8f-b3cf-f4c634a09822'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '42a8f507-8412-4611-854f-926571049fa0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.38 dB'
'TXXX:replaygain_track_peak'                        '0.547301'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'da766507-229e-4ad1-812b-b01e7e5bd81d')

========================== row from database ==========================
                                              'id'  1299690
                                            'path'  /data/Music/Bulk/00poprockelectronic/George Harrison/George Harrison_/George Harrison - 1968 - Wonderwall Music By/16 - On the bed.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  142
                                           'genre'  rock-cppex-classic
                                        'filesize'  2277393
                                           'mtime'  1636039176
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Harrison_ Wonderwall Music By 16 bed rock cppex classic
                                      'tag_artist'  George Harrison
                                     'tag_release'  The Apple Years 1968-75
                                       'tag_title'  On the Bed
                                             'bpm'  128.577
                                    'search_title'  'bed':3 'on':1 'the':2
                                   'search_artist'  'george':1 'harrison':2
                                  'search_release'  '1968':4 '196875':6 '75':5 'apple':2 'the':1 'years':3
                                     'search_rest'  '00poprockelectronic':1 'bed':6 'by':5 'classic':9 'cppex':8 'harrison':2 'music':4 'rock':7 'wonderwall':3
                                    'search_combo'  '00poprockelectronic':12 '1968':9C '196875':11C '75':10C 'apple':7C 'bed':3A,17 'by':16 'classic':20 'cppex':19 'george':4B 'harrison':5B,13 'music':15 'on':1A 'rock':18 'the':2A,6C 'wonderwall':14 'years':8C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
                                        'tag_date'  2014
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636039176.046863  (2021-11-04 16:19:36)
                             'size'  2277393