======================== unified (from filesystem) ========================
                                         'bitrate'  '163.67'
                                        'duration'  '258'
                                          'artist'  'Buena Vista Social Club'
                                     'text_people'  ''
                                         'release'  'Buena Vista Social Club'
                                           'title'  'Chan Chan'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-OLDST-2', "
 "'Q-JZFKS-1', 'q-syn-2', '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'  "['world', 'cuban', 'latin', 'jazz', 'latin jazz']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-islands-cuba'
                                             'bpm'  '111.9'
                                             'key'  '7A'
                                        'acoustid'  'a972e25b-d8d2-49fe-9163-60a089df5832'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             'B70E160E'
'COMM:ID3v1 Comment:XXX'                            'B70E160E'
'TALB' (Album/Movie/Show title)                     'Buena Vista Social Club'
'TBPM' (BPM (beats per minute))                     '111.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-cuba'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-09-16'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Ry Cooder'], ['producer', 'Nick Gold'], ['mix', 'Jerry Boys']])
'TIT2' (Title/songname/content description)         'Chan Chan'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Buena Vista Social Club'
'TPE2' (Band/orchestra/accompaniment)               'Buena Vista Social Club'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nonesuch'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              'Buena Vista Social Club'
'TSOP' (Performer sort order)                       'Buena Vista Social Club'
'TSRC' (ISRC (international standard recording code))  'GBBGU9700150'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:ASIN'                                         'B000005J56'
'TXXX:Acoustid Id'                                  'a972e25b-d8d2-49fe-9163-60a089df5832'
'TXXX:Artists'                                      'Buena Vista Social Club'
'TXXX:BARCODE'                                      '075597947823'
'TXXX:CATALOGNUMBER'                                '79478-2'
'TXXX:MusicBrainz Album Artist Id'                  '2a85ecff-41e9-4be1-aca6-c87054a4c334'
'TXXX:MusicBrainz Album Id'                         '2e18e017-0a62-4c50-a708-b6fbea29612e'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2a85ecff-41e9-4be1-aca6-c87054a4c334'
'TXXX:MusicBrainz Release Group Id'                 '32bbab8e-02c0-30d2-9e23-a19739864b84'
'TXXX:MusicBrainz Release Track Id'                 'a3531e8a-ba77-3b4e-8d96-396857c9ca7a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['world', 'cuban', 'latin', 'jazz', 'latin jazz']
'TXXX:originalyear'                                 '1997'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.590942'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'47b7339f-8f7e-432e-acf1-8cb6b53a3554')

========================== row from database ==========================
                                              'id'  776862
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Buena Vista Social Club/Buena Vista Social Club - 01 - Chan Chan.mp3
                                         'working'  None
                                         'bitrate'  163
                                    'duration_sec'  258
                                           'genre'  loc-islands-cuba
                                        'filesize'  5347600
                                           'mtime'  1620534860
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin 01 loc islands cuba
                                      'tag_artist'  Buena Vista Social Club
                                     'tag_release'  Buena Vista Social Club
                                       'tag_title'  Chan Chan
                                             'bpm'  111.9
                                    'search_title'  'chan':1
                                   'search_artist'  'buena':1 'club':4 'social':3 'vista':2
                                  'search_release'  'buena':1 'club':4 'social':3 'vista':2
                                     'search_rest'  'cuba':4 'islands':3 'latin':1 'loc':2
                                    'search_combo'  'buena':2B,6C 'chan':1A 'club':5B,9C 'cuba':13 'islands':12 'latin':10 'loc':11 'social':4B,8C 'vista':3B,7C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['world', 'cuban', 'latin', 'jazz', 'latin jazz']
                                        'tag_date'  1997
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620534860.4758246  (2021-05-09 06:34:20)
                             'size'  5347600