======================== unified (from filesystem) ========================
                                         'bitrate'  '155.507'
                                        'duration'  '166'
                                          'artist'  'Smokey Hogg'
                                     'text_people'  ''
                                         'release'  'Acoustic Blues'
                                           'title'  "Goin' Back to Chicago"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['blues', 'all']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '25'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '99.665'
                                             'key'  '8A'
                                        'acoustid'  '6a07525b-7294-492b-ad3d-c2d9bc58a307'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '7310D119+323068+25+150+7938+'
'COMM:iTunes_CDDB_1:eng'                            '7310D119+323068+25+150+7938+19009+32419+47640+60291+72546+86498+97269+109625+124250+137273+149741+162539+176524+190430+204269+218663+231568+244853+261922+272396+284693+297199+309581'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
'TALB' (Album/Movie/Show title)                     'Acoustic Blues'
'TBPM' (BPM (beats per minute))                     '99.665'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-09-28'
'TENC' (Encoded by)                                 'dBpoweramp Release 14.2'
'TIT2' (Title/songname/content description)         "Goin' Back to Chicago"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Smokey Hogg'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Not Now Music'
'TRCK' (Track number/Position in set)               '12/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Hogg, Smokey'
'TXXX:ASIN'                                         'B009HCBDSA'
'TXXX:Acoustid Id'                                  '6a07525b-7294-492b-ad3d-c2d9bc58a307'
'TXXX:Artists'                                      'Smokey Hogg'
'TXXX:BARCODE'                                      '5060143494697'
'TXXX:CATALOGNUMBER'                                'NOT2CD469'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '5b09ad00-ebd3-4933-a163-21505f794555'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '67fc12ac-60dd-4b03-bc2a-bd04ecea1e03'
'TXXX:MusicBrainz Release Group Id'                 'db2d3f7d-4bfc-4dc0-a0e9-6d302551c5f8'
'TXXX:MusicBrainz Release Track Id'                 'a972c8d5-af4c-4cfb-a93a-3f91421f3db7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['blues', 'all']
'TXXX:originalyear'                                 '2012'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.85 dB'
'TXXX:replaygain_track_peak'                        '0.303232'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'43c71aa4-9188-45ac-9a6e-6b47c8266a51')

========================== row from database ==========================
                                              'id'  1503869
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Raw Blues Classics Vol. 1/12 - Smokey Hogg - Goin_ Back To Chicago.mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  166
                                           'genre'  prerock-jb-blues
                                        'filesize'  3322376
                                           'mtime'  1620402852
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Raw Classics Vol. 1 12 Goin_ To prerock jb blues
                                      'tag_artist'  Smokey Hogg
                                     'tag_release'  Acoustic Blues
                                       'tag_title'  Goin' Back to Chicago
                                             'bpm'  99.665
                                    'search_title'  'back':3 'chicago':5 'goin':1,2 'to':4
                                   'search_artist'  'hogg':2 'smokey':1
                                  'search_release'  'acoustic':1 'blues':2
                                     'search_rest'  '1':10 'blues':15 'classics':7 'country':4 'exotica':2 'goin':11 'jazz':1 'jb':14 'oldies':3 'prerock':13 'raw':6 'to':12 'va':5 'vol':8,9
                                    'search_combo'  '1':19 'acoustic':8C 'back':3A 'blues':9C,24 'chicago':5A 'classics':16 'country':13 'exotica':11 'goin':1A,2A,20 'hogg':7B 'jazz':10 'jb':23 'oldies':12 'prerock':22 'raw':15 'smokey':6B 'to':4A,21 'va':14 'vol':17,18
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'all']
                                        'tag_date'  2012
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620402851.5884259  (2021-05-07 17:54:11)
                             'size'  3322376