======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '167'
                                          'artist'  'Joseph Spence'
                                     'text_people'  ''
                                         'release'  'Bahamian Guitarist'
                                           'title'  'I See Mary and Joseph'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['11', 'blues', 'gospel', 'folk', 'fingerstyle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '21'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-islands-bahamas'
                                             'bpm'  '119.335'
                                             'key'  '11B'
                                        'acoustid'  'c9f665be-9058-417c-ad30-99fe70eb1ed5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000143 00000031 00002121'
'COMM:iTunNORM:eng'                                 (' 00000143 00000031 00002121 0000130E 000164F0 00016558 00004D07 00004B78 '
 '00022B1A 00022B1A')
'TALB' (Album/Movie/Show title)                     'Bahamian Guitarist'
'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-bahamas'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'I See Mary and Joseph'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Joseph Spence'
'TPE2' (Band/orchestra/accompaniment)               'Joseph Spence'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Arhoolie'
'TRCK' (Track number/Position in set)               '2/21'
'TSO2'                                              'Spence, Joseph'
'TSOP' (Performer sort order)                       'Spence, Joseph'
'TXXX:Acoustid Id'                                  'c9f665be-9058-417c-ad30-99fe70eb1ed5'
'TXXX:Artists'                                      'Joseph Spence'
'TXXX:BARCODE'                                      '096297034927'
'TXXX:CATALOGNUMBER'                                'CD-349'
'TXXX:MusicBrainz Album Artist Id'                  'c18b1dcf-02d4-4d7e-a6c6-dc66873958f1'
'TXXX:MusicBrainz Album Id'                         '1649294d-1c0f-4f84-b5bf-65c54fa90966'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c18b1dcf-02d4-4d7e-a6c6-dc66873958f1'
'TXXX:MusicBrainz Release Group Id'                 '57c79dca-fbb1-30be-a48f-b229cf421916'
'TXXX:MusicBrainz Release Track Id'                 'bb4b1282-ed11-3b98-902c-2165274c92df'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['11', 'blues', 'gospel', 'folk', 'fingerstyle']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.03 dB'
'TXXX:replaygain_track_peak'                        '0.791725'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c580ce26-143a-4e6c-bfba-758b1a3e11ad')

========================== row from database ==========================
                                              'id'  672650
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bahamian Guitarist/02 I see Mary and Joseph.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  167
                                           'genre'  loc-islands-bahamas
                                        'filesize'  2763196
                                           'mtime'  1620534832
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 02 see loc islands bahamas
                                      'tag_artist'  Joseph Spence
                                     'tag_release'  Bahamian Guitarist
                                       'tag_title'  I See Mary and Joseph
                                             'bpm'  119.335
                                    'search_title'  'and':4 'i':1 'joseph':5 'mary':3 'see':2
                                   'search_artist'  'joseph':1 'spence':2
                                  'search_release'  'bahamian':1 'guitarist':2
                                     'search_rest'  'bahamas':8 'country':4 'exotica':2 'islands':7 'jazz':1 'loc':6 'oldies':3 'see':5
                                    'search_combo'  'and':4A 'bahamas':17 'bahamian':8C 'country':13 'exotica':11 'guitarist':9C 'i':1A 'islands':16 'jazz':10 'joseph':5A,6B 'loc':15 'mary':3A 'oldies':12 'see':2A,14 'spence':7B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['11', 'blues', 'gospel', 'folk', 'fingerstyle']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534832.4444616  (2021-05-09 06:33:52)
                             'size'  2763196