======================== unified (from filesystem) ========================
                                         'bitrate'  '212.926'
                                        'duration'  '143'
                                          'artist'  'Jimmy Witherspoon'
                                     'text_people'  ''
                                         'release'  'Acoustic Blues'
                                           'title'  "Ain't Nobody's Business"
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                                      'lastfmtags'  "['blues', 'rhythm and blues', 'jazz', 'classic blues', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '25'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '135.094'
                                             'key'  '6B'
                                        'acoustid'  'eb96f762-02b3-4c06-9012-030fd620beaf'
rest: ''

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

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'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'                  '8'
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'TBPM' (BPM (beats per minute))                     '135.094'
'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)         "Ain't Nobody's Business"
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmy Witherspoon'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Not Now Music'
'TRCK' (Track number/Position in set)               '8/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Witherspoon, Jimmy'
'TXXX:ASIN'                                         'B009HCBDSA'
'TXXX:Acoustid Id'                                  'eb96f762-02b3-4c06-9012-030fd620beaf'
'TXXX:Artists'                                      'Jimmy Witherspoon'
'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'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:MusicBrainz Release Group Id'                 'db2d3f7d-4bfc-4dc0-a0e9-6d302551c5f8'
'TXXX:MusicBrainz Release Track Id'                 '2f725855-d98c-417d-85b5-6d86fb115487'
'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:lastfmtags'                                   ['blues', 'rhythm and blues', 'jazz', 'classic blues', 'oldies']
'TXXX:originalyear'                                 '2012'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.84 dB'
'TXXX:replaygain_track_peak'                        '0.422986'
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========================== row from database ==========================
                                              'id'  1496575
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Raw Blues Classics Vol. 1/08 - Jimmy Witherspoon - Ain_t Nobody_s Business.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  143
                                           'genre'  prerock-jb-blues
                                        'filesize'  3914069
                                           'mtime'  1620402851
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Raw Classics Vol. 1 08 Ain_t Nobody_s prerock jb blues
                                      'tag_artist'  Jimmy Witherspoon
                                     'tag_release'  Acoustic Blues
                                       'tag_title'  Ain't Nobody's Business
                                             'bpm'  135.094
                                    'search_title'  'ain':1 'aint':3 'business':7 'nobody':4 'nobodys':6 's':5 't':2
                                   'search_artist'  'jimmy':1 'witherspoon':2
                                  'search_release'  'acoustic':1 'blues':2
                                     'search_rest'  '1':10 'ain':11 'blues':17 'classics':7 'country':4 'exotica':2 'jazz':1 'jb':16 'nobody':13 'oldies':3 'prerock':15 'raw':6 's':14 't':12 'va':5 'vol':8,9
                                    'search_combo'  '1':21 'acoustic':10C 'ain':1A,22 'aint':3A 'blues':11C,28 'business':7A 'classics':18 'country':15 'exotica':13 'jazz':12 'jb':27 'jimmy':8B 'nobody':4A,24 'nobodys':6A 'oldies':14 'prerock':26 'raw':17 's':5A,25 't':2A,23 'va':16 'vol':19,20 'witherspoon':9B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6B
                                           '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-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rhythm and blues', 'jazz', 'classic blues', 'oldies']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402851.4975946  (2021-05-07 17:54:11)
                             'size'  3914069