======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '286'
                                          'artist'  'The Stone Roses'
                                     'text_people'  ''
                                         'release'  'In The Studio 2'
                                           'title'  'Tightrope'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'madchester', 'britpop', 'alternative', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '18'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '142.708'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000001D 00000027 0000010D'
'COMM:iTunNORM:eng'                                 (' 0000001D 00000027 0000010D 00000149 00014500 00014500 00001763 00001A6E '
 '00034E1F 00034E1F')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007B0 0000000000C0CB40 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '18+A9A7D83EC269E0930667CDDF0BE902D3+3119541'
'TALB' (Album/Movie/Show title)                     'In The Studio 2'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Tightrope'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stone Roses'
'TRCK' (Track number/Position in set)               '12/18'
'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:lastfmtags'                                   ['indie', 'madchester', 'britpop', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.578876'

========================== row from database ==========================
                                              'id'  1271678
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Stone Roses/Stone Roses - In The Studio 2/12 Tightrope.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  286
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6879700
                                           'mtime'  1638554827
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 ifs songwriter indie rock
                                      'tag_artist'  The Stone Roses
                                     'tag_release'  In The Studio 2
                                       'tag_title'  Tightrope
                                             'bpm'  142.708
                                    'search_title'  'tightrope':1
                                   'search_artist'  'roses':3 'stone':2 'the':1
                                  'search_release'  '2':4 'in':1 'studio':3 'the':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'rock':6 'songwriter':2
                                    'search_combo'  '00singer':9 '2':8C 'eos':11 'ifs':12 'in':5C 'indie':13 'rock':14 'roses':4B 'songwriter':10 'stone':3B 'studio':7C 'the':2B,6C 'tightrope':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'madchester', 'britpop', 'alternative', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554826.8598855  (2021-12-03 19:07:06)
                             'size'  6879700