======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '113'
                                          'artist'  'The Coral'
                                     'text_people'  ''
                                         'release'  'The Coral'
                                           'title'  'Spanish Main'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'britpop', 'british', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '142.910'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001FB2 0000166F 000066FA'
'COMM:iTunNORM:eng'                                 (' 00001FB2 0000166F 000066FA 0000393E 000138AE 000186B7 00008000 000069D3 '
 '00013880 00015FA7')
'TALB' (Album/Movie/Show title)                     'The Coral'
'TBPM' (BPM (beats per minute))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Spanish Main'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Coral'
'TPE2' (Band/orchestra/accompaniment)               'The Coral'
'TRCK' (Track number/Position in set)               '1/11'
'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:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'britpop', 'british', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.448732'

========================== row from database ==========================
                                              'id'  1324976
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Coral/[2002] The Coral/01 Spanish Main.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  113
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  1851170
                                           'mtime'  1636402033
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2002] 01 ifs songwriter indie unsorted
                                      'tag_artist'  The Coral
                                     'tag_release'  The Coral
                                       'tag_title'  Spanish Main
                                             'bpm'  142.91
                                    'search_title'  'main':2 'spanish':1
                                   'search_artist'  'coral':2 'the':1
                                  'search_release'  'coral':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '2002':2,3 'ifs':4 'indie':6 'songwriter':5 'unsorted':7
                                    'search_combo'  '00poprockelectronic':7 '2002':8,9 'coral':4B,6C 'ifs':10 'indie':12 'main':2A 'songwriter':11 'spanish':1A 'the':3B,5C 'unsorted':13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'britpop', 'british', 'indie rock', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636402033.1748943  (2021-11-08 21:07:13)
                             'size'  1851170