======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '116'
                                          'artist'  'Hugh Le Caine'
                                     'text_people'  ''
                                         'release'  'Compositions Demonstrations 1946-1974'
                                           'title'  'Mobile: The Computer Laughed (Perpetual Motion) (1970)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  ("['contemporary classical', 'avant garde', 'electronic', 'experimental', "
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                                     'discogstags'  "['electronic', 'jazz', 'modern classical', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '38'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '144.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Compositions Demonstrations 1946-1974'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes v4.0'
'TIT2' (Title/songname/content description)         'Mobile: The Computer Laughed (Perpetual Motion) (1970)'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '116000'
'TPE1' (Lead performer(s)/Soloist(s))               'Hugh Le Caine'
'TRCK' (Track number/Position in set)               '12/38'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'modern classical', 'experimental']
'TXXX:lastfmtags'                                   ['contemporary classical',
 'avant garde',
 'electronic',
 'experimental',
 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.951934'

========================== row from database ==========================
                                              'id'  1380083
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Hugh Le Caine - 1970/hugh le caine - mobile - the computer laughed (perpetual motion) (1970).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  116
                                           'genre'  electronic-experimental-early
                                        'filesize'  2787732
                                           'mtime'  1637329012
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm hugh caine mobile the computer laughed (perpetual motion) electronic experimental early
                                      'tag_artist'  Hugh Le Caine
                                     'tag_release'  Compositions Demonstrations 1946-1974
                                       'tag_title'  Mobile: The Computer Laughed (Perpetual Motion) (1970)
                                             'bpm'  144.3
                                    'search_title'  '1970':10,11 'computer':4 'laughed':5 'mobile':1,2 'motion':8,9 'perpetual':6,7 'the':3
                                   'search_artist'  'caine':3 'hugh':1 'le':2
                                  'search_release'  '1946':3 '19461974':5 '1974':4 'compositions':1 'demonstrations':2
                                     'search_rest'  'caine':2 'computer':5 'early':13 'electronic':11 'experimental':12 'hugh':1 'laughed':6 'mobile':3 'motion':9,10 'perpetual':7,8 'the':4
                                    'search_combo'  '1946':17C '19461974':19C '1970':10A,11A '1974':18C 'caine':14B,21 'compositions':15C 'computer':4A,24 'demonstrations':16C 'early':32 'electronic':30 'experimental':31 'hugh':12B,20 'laughed':5A,25 'le':13B 'mobile':1A,2A,22 'motion':8A,9A,28,29 'perpetual':6A,7A,26,27 'the':3A,23
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'avant garde', 'electronic', 'experimental', 'canadian']
                                        'tag_date'  1970
                                     'discogstags'  ['electronic', 'jazz', 'modern classical', 'experimental']

============================== file details ==============================
                                           'mtime'  1637329012.4688294  (2021-11-19 14:36:52)
                             'size'  2787732