======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '163'
                                          'artist'  'The Topsy Turbys'
                                     'text_people'  ''
                                         'release'  'Murder on your ears'
                                           'title'  'Jungle Song'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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                                     'discogstags'  "['garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '49'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-combinations'
                                             'bpm'  '137.9'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '137.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-combinations'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'Jungle Song'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Topsy Turbys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04/49'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['garage rock', 'rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.602262'

========================== row from database ==========================
                                              'id'  948545
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - J.R. Williams - Murder On Your Ears/04 - The Topsy Turbys - Jungle Song.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  163
                                           'genre'  electronic-experimental-combinations
                                        'filesize'  3263308
                                           'mtime'  1620586871
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va J.R. Williams On Your Ears 04 electronic experimental combinations
                                      'tag_artist'  The Topsy Turbys
                                     'tag_release'  Murder on your ears
                                       'tag_title'  Jungle Song
                                             'bpm'  137.9
                                    'search_title'  'jungle':1 'song':2
                                   'search_artist'  'the':1 'topsy':2 'turbys':3
                                  'search_release'  'ears':4 'murder':1 'on':2 'your':3
                                     'search_rest'  'combinations':11 'ears':8 'electronic':9 'experimental':10 'j':2 'jr':4 'on':6 'r':3 'va':1 'williams':5 'your':7
                                    'search_combo'  'combinations':20 'ears':9C,17 'electronic':18 'experimental':19 'j':11 'jr':13 'jungle':1A 'murder':6C 'on':7C,15 'r':12 'song':2A 'the':3B 'topsy':4B 'turbys':5B 'va':10 'williams':14 'your':8C,16
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620586870.9458327  (2021-05-09 21:01:10)
                             'size'  3263308