======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '384'
                                          'artist'  'Jon Hopkins'
                                     'text_people'  ''
                                         'release'  'Opalescent'
                                           'title'  'Elegiac'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-1', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic', 'downtempo', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '127'
                                             'key'  '5B'
                                        'acoustid'  '26782ca2-c211-4f30-903b-86bc259f7a9f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Opalescent'
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-07-30'
'TIT2' (Title/songname/content description)         'Elegiac'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jon Hopkins'
'TPE2' (Band/orchestra/accompaniment)               'Jon Hopkins'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Just Music'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Hopkins, Jon'
'TSOP' (Performer sort order)                       'Hopkins, Jon'
'TSRC' (ISRC (international standard recording code))  'GBDDN1700673'
'TXXX:ASIN'                                         'B00005N8JG'
'TXXX:Acoustid Id'                                  '26782ca2-c211-4f30-903b-86bc259f7a9f'
'TXXX:Artists'                                      'Jon Hopkins'
'TXXX:BARCODE'                                      '677603000623'
'TXXX:CATALOGNUMBER'                                'TAO 006'
'TXXX:MusicBrainz Album Artist Id'                  '0b0c25f4-f31c-46a5-a4fb-ccbf53d663bd'
'TXXX:MusicBrainz Album Id'                         '52866029-e8eb-4cc1-9393-a1e495274480'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0b0c25f4-f31c-46a5-a4fb-ccbf53d663bd'
'TXXX:MusicBrainz Release Group Id'                 '1e062b36-3736-3cef-a6f9-b1de22f83658'
'TXXX:MusicBrainz Release Track Id'                 '9f33fd22-bdb9-39b7-a8e9-743bd715b3bd'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'downtempo', 'ambient']
'TXXX:lastfmtags'                                   ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.686296'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3cae8a01-5724-4afa-808b-e260bcecf57f')

========================== row from database ==========================
                                              'id'  253771
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0synth_and_beat/Jon Hopkins/01 - Elegiac.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  384
                                           'genre'  electronic-ambient
                                        'filesize'  9262791
                                           'mtime'  1636909873
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0synth_and_beat 01 electronic ambient
                                      'tag_artist'  Jon Hopkins
                                     'tag_release'  Opalescent
                                       'tag_title'  Elegiac
                                             'bpm'  127.0
                                    'search_title'  'elegiac':1
                                   'search_artist'  'hopkins':2 'jon':1
                                  'search_release'  'opalescent':1
                                     'search_rest'  '0synth':1 'ambient':5 'and':2 'beat':3 'electronic':4
                                    'search_combo'  '0synth':5 'ambient':9 'and':6 'beat':7 'electronic':8 'elegiac':1A 'hopkins':3B 'jon':2B 'opalescent':4C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'downtempo', 'ambient']

============================== file details ==============================
                                           'mtime'  1636909873.138639  (2021-11-14 18:11:13)
                             'size'  9262791