======================== unified (from filesystem) ========================
                                         'bitrate'  '203.957'
                                        'duration'  '447'
                                          'artist'  'Black Rebel Motorcycle Club'
                                     'text_people'  ''
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                                           'title'  'As Sure as the Sun'
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                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '155'
                                             'key'  '4A'
                                        'acoustid'  'cce579ed-11ee-4a8d-8969-397d99ef3ddd'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'B.R.M.C.'
'TBPM' (BPM (beats per minute))                     '155'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-04-03'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['mix', 'Peter Hayes'], ['mix', 'Masaki Liu'], ['mix', 'Michael Patterson'], ['engineer', 'Peter Hayes'], ['engineer', 'Masaki Liu'], ['engineer', 'David Schiffman']])
'TIT2' (Title/songname/content description)         'As Sure as the Sun'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Rebel Motorcycle Club'
'TPE2' (Band/orchestra/accompaniment)               'Black Rebel Motorcycle Club'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records America'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Black Rebel Motorcycle Club'
'TSOP' (Performer sort order)                       'Black Rebel Motorcycle Club'
'TSRC' (ISRC (international standard recording code))  'USVI20000577'
'TXXX:ASIN'                                         'B00005ARDC'
'TXXX:Acoustid Id'                                  'cce579ed-11ee-4a8d-8969-397d99ef3ddd'
'TXXX:Artists'                                      'Black Rebel Motorcycle Club'
'TXXX:BARCODE'                                      '724381004524'
'TXXX:CATALOGNUMBER'                                '7243 8 10045 2 4'
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'TXXX:MusicBrainz Album Id'                         'aab9191c-f1d4-4b54-b7e5-ad9439d480a5'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '32b90c92-9978-4a07-90eb-caa4b22f4907'
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'TXXX:MusicBrainz Release Track Id'                 'd43b7c0d-ace8-3424-9c0f-922bb2a5ff07'
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'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', 'blues rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.407927'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'562eed63-d159-414e-8af9-73ddcf6e51a2')

========================== row from database ==========================
                                              'id'  1257400
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Black Rebel Motorcycle Club/B.R.M.C/Black Rebel Motorcycle Club - As Sure As the Sun.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  447
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  11418327
                                           'mtime'  1638562499
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter rock
                                      'tag_artist'  Black Rebel Motorcycle Club
                                     'tag_release'  B.R.M.C.
                                       'tag_title'  As Sure as the Sun
                                             'bpm'  155.0
                                    'search_title'  'as':1 'sun':4 'sure':2 'the':3
                                   'search_artist'  'black':1 'club':4 'motorcycle':3 'rebel':2
                                  'search_release'  'b':1 'brmc':5 'c':4 'm':3 'r':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':14 'as':1A 'b':9C 'black':5B 'brmc':13C 'c':12C 'club':8B 'eos':16 'ifs':17 'm':11C 'motorcycle':7B 'r':10C 'rebel':6B 'rock':18 'songwriter':15 'sun':4A 'sure':2A 'the':3A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'blues rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638562499.4387257  (2021-12-03 21:14:59)
                             'size'  11418327