======================== unified (from filesystem) ========================
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                                        'duration'  '94'
                                          'artist'  'Alan Pierce & The Tonekings'
                                     'text_people'  ''
                                         'release'  'Greaser Instrumentals Vol. 08'
                                           'title'  'Swampwater'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '13'
                                      'tracktotal'  '27'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '107.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunes_CDDB_IDs:eng'                          '27++'
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'TBPM' (BPM (beats per minute))                     '107.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 11.1.5.5'
'TIT2' (Title/songname/content description)         'Swampwater'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alan Pierce & The Tonekings'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13/27'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
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'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
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========================== row from database ==========================
                                              'id'  1421686
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Bobby Gregg - va - Greaser Instrumentals Vol. 08/13 Swampwater.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  94
                                           'genre'  rock-pop-surf
                                        'filesize'  1895045
                                           'mtime'  1620736914
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Bobby Gregg va 13 rock pop surf
                                      'tag_artist'  Alan Pierce & The Tonekings
                                     'tag_release'  Greaser Instrumentals Vol. 08
                                       'tag_title'  Swampwater
                                             'bpm'  107.2
                                    'search_title'  'swampwater':1
                                   'search_artist'  'alan':1 'pierce':2 'the':3 'tonekings':4
                                  'search_release'  'greaser':1 'instrumentals':2 'vol':3,4
                                     'search_rest'  'bobby':5 'garage':2 'gregg':6 'pop':9 'punk':1 'rock':8 'stoner':4 'surf':3 'va':7
                                    'search_combo'  'alan':2B 'bobby':14 'garage':11 'greaser':6C 'gregg':15 'instrumentals':7C 'pierce':3B 'pop':18 'punk':10 'rock':17 'stoner':13 'surf':12 'swampwater':1A 'the':4B 'tonekings':5B 'va':16 'vol':8C,9C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736914.4091396  (2021-05-11 14:41:54)
                             'size'  1895045