======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '239'
                                          'artist'  'Barry Adamson'
                                     'text_people'  ''
                                         'release'  'The Murky World of Barry Adamson'
                                           'title'  'What It Means'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
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 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz', 'somafm', 'soundtrack', 'alternative', 'acid jazz', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '128.170'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Murky World of Barry Adamson'
'TBPM' (BPM (beats per minute))                     '128.170'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'What It Means'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '239647'
'TPE1' (Lead performer(s)/Soloist(s))               'Barry Adamson'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'somafm', 'soundtrack', 'alternative', 'acid jazz', 'experimental']
'TXXX:original release date'                        ['1999', '1999']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.72 dB'
'TXXX:replaygain_track_peak'                        '0.525029'

========================== row from database ==========================
                                              'id'  767575
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Barry Adamson - WHAT IT MEANS.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  239
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5759728
                                           'mtime'  1620586907
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism WHAT IT MEANS hip hop rnb rap turntablism
                                      'tag_artist'  Barry Adamson
                                     'tag_release'  The Murky World of Barry Adamson
                                       'tag_title'  What It Means
                                             'bpm'  128.17
                                    'search_title'  'it':2 'means':3 'what':1
                                   'search_artist'  'adamson':2 'barry':1
                                  'search_release'  'adamson':6 'barry':5 'murky':2 'of':4 'the':1 'world':3
                                     'search_rest'  'hip':8 'hiphop':1 'hop':9 'it':6 'means':7 'rap':2 'rnb':3 'turntablism':4 'what':5
                                    'search_combo'  'adamson':5B,11C 'barry':4B,10C 'hip':19 'hiphop':12 'hop':20 'it':2A,17 'means':3A,18 'murky':7C 'of':9C 'rap':13 'rnb':14 'the':6C 'turntablism':15 'what':1A,16 'world':8C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'somafm', 'soundtrack', 'alternative', 'acid jazz', 'experimental']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586907.061827  (2021-05-09 21:01:47)
                             'size'  5759728