======================== unified (from filesystem) ========================
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                                        'duration'  '191'
                                          'artist'  'Houston Page and Group'
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                       'musicbrainz_albumartistid'  ''
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                                      'tracktotal'  '11'
                                            'date'  '1994'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Down the Line'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Houston Page and Group'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rounder'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Houston Page and Group'
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
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'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
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'TXXX:replaygain_track_peak'                        '0.559976'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/W.D. Alexander and Group - Black Convict Worksongs From Texas Prisons/06 Down The Line - Houston Page.mp3
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                                           'genre'  prerock-jb-blues
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                                           'mtime'  1620402701
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                                       'tag_title'  Down the Line
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                                   'search_artist'  'and':3 'group':4 'houston':1 'page':2
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                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           '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-1', 'q-grit-2']
                                      'lastfmtags'  ['americana']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402701.1630194  (2021-05-07 17:51:41)
                             'size'  3751369