======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '228'
                                          'artist'  'Placebo'
                                     'text_people'  'Placebo'
                                         'release'  'Black Market Music'
                                           'title'  'Black-Eyed'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'brit pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;rock-pop-indie'
                                             'bpm'  '121.555'
                                             'key'  '2B'
                                        'acoustid'  '14a677af-dc8a-408e-bc2f-52c3db465d93'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Black Market Music'
'TBPM' (BPM (beats per minute))                     '121.555'
'TCOM' (Composer)                                   'Placebo'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock', 'rock-pop-indie']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-10-09'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Placebo'], ['producer', 'Paul Corkett'], ['engineer', 'Kenny Patterson'], ['engineer', 'Lorraine Francis'], ['mix', 'Placebo'], ['mix', 'Paul Corkett'], ['', 'Placebo']])
'TIT2' (Title/songname/content description)         'Black-Eyed'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '228153'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Placebo'
'TPE2' (Band/orchestra/accompaniment)               'Placebo'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hut Recordings/Virgin/Elevator Music'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Placebo'
'TSOP' (Performer sort order)                       'Placebo'
'TSRC' (ISRC (international standard recording code))  'GBAAA0000668'
'TXXX:ASIN'                                         'B00004WMZ5'
'TXXX:Acoustid Id'                                  '14a677af-dc8a-408e-bc2f-52c3db465d93'
'TXXX:BARCODE'                                      '724385004926'
'TXXX:CATALOGNUMBER'                                '7243 8 50049 2 6/7243 8 50049 2 6/CDFLOOR13'
'TXXX:MusicBrainz Album Artist Id'                  '847e8284-8582-4b0e-9c26-b042a4f49e57'
'TXXX:MusicBrainz Album Id'                         '4813bbe1-c3d8-3404-8bf5-593d3a97ee69'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '847e8284-8582-4b0e-9c26-b042a4f49e57'
'TXXX:Q-HAP'                                        '2'
'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', 'brit pop']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.293834'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b266b537-a246-4053-9217-4b275a8d1c2b')

========================== row from database ==========================
                                              'id'  1367238
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Placebo/Black Market Music/06 - Black-Eyed.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  228
                                           'genre'  ifs-songwriter-indie-rock;rock-pop-indie
                                        'filesize'  3654665
                                           'mtime'  1638554760
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 06 ifs songwriter indie rock;rock pop indie
                                      'tag_artist'  Placebo
                                     'tag_release'  Black Market Music
                                       'tag_title'  Black-Eyed
                                             'bpm'  121.555
                                    'search_title'  'black':1 'blackeyed':3 'eyed':2
                                   'search_artist'  'placebo':1
                                  'search_release'  'black':1 'market':2 'music':3
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'pop':11 'poprock':2 'rock':7,8,9,10 'songwriter':5
                                    'search_combo'  '00poprockelectronic':8 'black':1A,5C 'blackeyed':3A 'eyed':2A 'ifs':11 'indie':13 'indierock':10 'market':6C 'music':7C 'placebo':4B 'pop':18 'poprock':9 'rock':14,15,16,17 'songwriter':12
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'alternative rock', 'brit pop']

============================== file details ==============================
                                           'mtime'  1638554759.6757941  (2021-12-03 19:05:59)
                             'size'  3654665