======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'Dick Walter'
                                     'text_people'  ''
                                         'release'  'Ren & Stimpy Production Music Vol. 2'
                                           'title'  'Appearing Live (a)'
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                                      'lastfmtags'  "['all', 'jazz', 'exotica', 'library music', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '037'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '145.7'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 000000000076A700 00000000 00000000 00000000 '
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'TALB' (Album/Movie/Show title)                     'Ren & Stimpy Production Music Vol. 2'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v6.0.5.20'
'TIT2' (Title/songname/content description)         'Appearing Live (a)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Walter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '037'
'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:lastfmtags'                                   ['all', 'jazz', 'exotica', 'library music', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.22 dB'
'TXXX:replaygain_track_peak'                        '0.599130'

========================== row from database ==========================
                                              'id'  1380657
                                            'path'  /data/Music/Bulk/0soundtrack/Terence Roper - ren & stimpy production music vol. 2 - part 1/037 - dick walter - appearing live (a).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  soundtrack-video-series
                                        'filesize'  3891899
                                           'mtime'  1623408217
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Terence Roper ren stimpy production music vol. part 1 037 dick walter appearing live soundtrack video series
                                      'tag_artist'  Dick Walter
                                     'tag_release'  Ren & Stimpy Production Music Vol. 2
                                       'tag_title'  Appearing Live (a)
                                             'bpm'  145.7
                                    'search_title'  'a':3,4 'appearing':1 'live':2
                                   'search_artist'  'dick':1 'walter':2
                                  'search_release'  '2':7 'music':4 'production':3 'ren':1 'stimpy':2 'vol':5,6
                                     'search_rest'  '0soundtrack':1 '1':11 'appearing':14 'dick':12 'live':15 'music':7 'part':10 'production':6 'ren':4 'roper':3 'series':18 'soundtrack':16 'stimpy':5 'terence':2 'video':17 'vol':8,9 'walter':13
                                    'search_combo'  '0soundtrack':14 '1':24 '2':13C 'a':3A,4A 'appearing':1A,27 'dick':5B,25 'live':2A,28 'music':10C,20 'part':23 'production':9C,19 'ren':7C,17 'roper':16 'series':31 'soundtrack':29 'stimpy':8C,18 'terence':15 'video':30 'vol':11C,12C,21,22 'walter':6B,26
                                    'tag_tracknum'  37
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['all', 'jazz', 'exotica', 'library music', 'easy listening']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623408217.3642297  (2021-06-11 12:43:37)
                             'size'  3891899