======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '117'
                                          'artist'  'Radiohead'
                                     'text_people'  'Nick Ingman'
                                         'release'  'OK Computer'
                                           'title'  'Fitter Happier'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'electronic', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '84.210'
                                             'key'  '1A'
                                        'acoustid'  'f83c9247-76cd-4b9a-a08b-a93e49b12afc'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'OK Computer'
'TBPM' (BPM (beats per minute))                     '84.210'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-06-16'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Nigel Godrich'], ['producer', 'Radiohead']])
'TIT2' (Title/songname/content description)         'Fitter Happier'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiohead'
'TPE2' (Band/orchestra/accompaniment)               'Radiohead'
'TPE3' (Conductor/performer refinement)             'Nick Ingman'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Radiohead'
'TSOP' (Performer sort order)                       'Radiohead'
'TSRC' (ISRC (international standard recording code))  'GBAYE9701373'
'TXXX:ASIN'                                         'B000002UJQ'
'TXXX:Acoustid Id'                                  'f83c9247-76cd-4b9a-a08b-a93e49b12afc'
'TXXX:BARCODE'                                      '724385522925'
'TXXX:CATALOGNUMBER'                                '8 55229 2'
'TXXX:MusicBrainz Album Artist Id'                  'a74b1b7f-71a5-4011-9441-d0b5e4122711'
'TXXX:MusicBrainz Album Id'                         '52709206-8816-3c12-9ff6-f957f2f1eecf'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a74b1b7f-71a5-4011-9441-d0b5e4122711'
'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:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.694784'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5838f978-0822-4e28-874f-e1511324ec3a')

========================== row from database ==========================
                                              'id'  1340939
                                            'path'  /data/Music/Bulk/00poprockelectronic/Radiohead/OK Computer/Radiohead - Fitter Happier - 07.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  117
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  1882123
                                           'mtime'  1621697486
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 ifs songwriter indie rock
                                      'tag_artist'  Radiohead
                                     'tag_release'  OK Computer
                                       'tag_title'  Fitter Happier
                                             'bpm'  84.21
                                    'search_title'  'fitter':1 'happier':2
                                   'search_artist'  'radiohead':1
                                  'search_release'  'computer':2 'ok':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':6 'computer':5C 'fitter':1A 'happier':2A 'ifs':7 'indie':9 'ok':4C 'radiohead':3B 'rock':10 'songwriter':8
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1621697485.682348  (2021-05-22 17:31:25)
                             'size'  1882123