======================== unified (from filesystem) ========================
                                         'bitrate'  '212.37'
                                        'duration'  '231'
                                          'artist'  'Built to Spill'
                                     'text_people'  ''
                                         'release'  'Keep It Like a Secret'
                                           'title'  'Sidewalk'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '142'
                                             'key'  '11B'
                                        'acoustid'  '9a69fc2c-8dfc-4a3e-a791-f8be92aa2a90'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Keep It Like a Secret'
'TBPM' (BPM (beats per minute))                     '142'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1999-02-23'
'TIT2' (Title/songname/content description)         'Sidewalk'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Built to Spill'
'TPE2' (Band/orchestra/accompaniment)               'Built to Spill'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '4/10'
'TSO2'                                              'Built to Spill'
'TSOP' (Performer sort order)                       'Built to Spill'
'TXXX:ASIN'                                         'B00000HZFH'
'TXXX:Acoustid Id'                                  '9a69fc2c-8dfc-4a3e-a791-f8be92aa2a90'
'TXXX:Artists'                                      'Built to Spill'
'TXXX:BARCODE'                                      '093624695226'
'TXXX:CATALOGNUMBER'                                'CDW 46952'
'TXXX:MusicBrainz Album Artist Id'                  '3ac482b8-1494-4071-a0e9-f192f9d2c2b0'
'TXXX:MusicBrainz Album Id'                         '0d2ecad7-9768-4a7a-900e-ced257290963'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3ac482b8-1494-4071-a0e9-f192f9d2c2b0'
'TXXX:MusicBrainz Release Group Id'                 'db8ddfee-1069-3a49-9e36-ef195ce1ab4a'
'TXXX:MusicBrainz Release Track Id'                 'cec5f0d5-0ccf-4354-8fee-65e4e569165a'
'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:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+8.95 dB'
'TXXX:replaygain_track_peak'                        '0.137570'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'da0ba3c5-f8fa-4bf0-a4f9-90c34a8d0c6e')

========================== row from database ==========================
                                              'id'  1256396
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Built to Spill/Keep It Like A Secret/04 - sidewalk.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  231
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6218160
                                           'mtime'  1638554764
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos A 04 sidewalk ifs songwriter indie rock
                                      'tag_artist'  Built to Spill
                                     'tag_release'  Keep It Like a Secret
                                       'tag_title'  Sidewalk
                                             'bpm'  142.0
                                    'search_title'  'sidewalk':1
                                   'search_artist'  'built':1 'spill':3 'to':2
                                  'search_release'  'a':4 'it':2 'keep':1 'like':3 'secret':5
                                     'search_rest'  '00singer':1 'a':4 'eos':3 'ifs':6 'indie':7 'rock':8 'sidewalk':5 'songwriter':2
                                    'search_combo'  '00singer':10 'a':8C,13 'built':2B 'eos':12 'ifs':15 'indie':16 'it':6C 'keep':5C 'like':7C 'rock':17 'secret':9C 'sidewalk':1A,14 'songwriter':11 'spill':4B 'to':3B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11B
                                           '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-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554763.7638736  (2021-12-03 19:06:03)
                             'size'  6218160