======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '271'
                                          'artist'  'Andrew Bird'
                                     'text_people'  ''
                                         'release'  'The Mysterious Production of Eggs'
                                           'title'  'Opposite Day'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', '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', 'indie pop', 'alternative', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '14'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '93.673'
                                             'key'  '8B'
                                        'acoustid'  '5ebfe3bd-36a5-4dbc-b926-95cab0889ecb'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000564 0000057E 000029CA'
'COMM:iTunNORM:eng'                                 (' 00000564 0000057E 000029CA 000025D8 0002E65E 0002E675 00007E0D 00007E7E '
 '0002E65E 00015FD5')
'PRIV:AverageLevel:9\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'9\x1c\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Mysterious Production of Eggs'
'TBPM' (BPM (beats per minute))                     '93.673'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TCOP' (Copyright message)                          'Fargo Records'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Opposite Day'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Andrew Bird'
'TPE2' (Band/orchestra/accompaniment)               'Andrew Bird'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Wegawam Music Co.'
'TRCK' (Track number/Position in set)               '8/14'
'TSO2'                                              'Bird, Andrew'
'TSOP' (Performer sort order)                       'Bird, Andrew'
'TSRC' (ISRC (international standard recording code))  'USRB40500020'
'TXXX:ASIN'                                         'B00CA4I1AU'
'TXXX:Acoustid Id'                                  '5ebfe3bd-36a5-4dbc-b926-95cab0889ecb'
'TXXX:BARCODE'                                      '634727003923'
'TXXX:CATALOGNUMBER'                                'WEGLP032'
'TXXX:MusicBrainz Album Artist Id'                  '081b133e-ce74-42ba-92c1-c18234acb532'
'TXXX:MusicBrainz Album Id'                         '233125a5-5293-4c78-84b3-98aa8ab81ab1'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '081b133e-ce74-42ba-92c1-c18234acb532'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'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'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.430568'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd0c6d05c-1be7-47a0-a9bb-f2ae69195123')

========================== row from database ==========================
                                              'id'  1526941
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Andrew Bird_s Bowl of Fire - Andrew Bird/Andrew Bird And The Mysterious Production Of Eggs/08 - opposite day.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  271
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  6527860
                                           'mtime'  1621699790
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bird_s Bowl Fire Of 08 opposite day ifs songwriter indie
                                      'tag_artist'  Andrew Bird
                                     'tag_release'  The Mysterious Production of Eggs
                                       'tag_title'  Opposite Day
                                             'bpm'  93.673
                                    'search_title'  'day':2 'opposite':1
                                   'search_artist'  'andrew':1 'bird':2
                                  'search_release'  'eggs':5 'mysterious':2 'of':4 'production':3 'the':1
                                     'search_rest'  'bird':5 'bowl':7 'country':4 'day':11 'exotica':2 'fire':8 'ifs':12 'indie':14 'jazz':1 'of':9 'oldies':3 'opposite':10 's':6 'songwriter':13
                                    'search_combo'  'andrew':3B 'bird':4B,14 'bowl':16 'country':13 'day':2A,20 'eggs':9C 'exotica':11 'fire':17 'ifs':21 'indie':23 'jazz':10 'mysterious':6C 'of':8C,18 'oldies':12 'opposite':1A,19 'production':7C 's':15 'songwriter':22 'the':5C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'folk', 'singer songwriter']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621699789.608901  (2021-05-22 18:09:49)
                             'size'  6527860