======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '192'
                                          'artist'  'Drive Like Maria'
                                     'text_people'  ''
                                         'release'  'Elmwood'
                                           'title'  'King Of My Town'
                                           'quals'  ("['Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['hard rock', 'stoner rock', 'dutch', 'belgian', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '93.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x003\x003\x002\x008\x00+\x007\x003\x00A\x003\x00+\x00B\x006\x00C\x005\x00+\x00F\x006\x00E\x009\x00+\x001\x003\x004\x000\x00A\x00+\x001\x008\x001\x00C\x00D\x00+\x001\x00B\x00A\x002\x006\x00+\x002\x000\x007\x001\x00B\x00+\x002\x004\x003\x00E\x008\x00+\x002\x007\x00E\x006\x009\x00+\x002\x00B\x007\x009\x009\x00\x00\x00')
'PRIV:AverageLevel:{$\x00\x00'                      PRIV(owner='AverageLevel', data=b'{$\x00\x00')
'PRIV:PeakValue:!\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Elmwood'
'TBPM' (BPM (beats per minute))                     '93.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'King Of My Town'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '192333'
'TPE1' (Lead performer(s)/Soloist(s))               'Drive Like Maria'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['hard rock', 'stoner rock', 'dutch', 'belgian', '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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.321005'

========================== row from database ==========================
                                              'id'  1419815
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Drive Like Maria/Elmwood/07 king of my town.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  192
                                           'genre'  rock-gr-stoner
                                        'filesize'  7690280
                                           'mtime'  1620388860
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 07 king of my town rock gr stoner
                                      'tag_artist'  Drive Like Maria
                                     'tag_release'  Elmwood
                                       'tag_title'  King Of My Town
                                             'bpm'  93.4
                                    'search_title'  'king':1 'my':3 'of':2 'town':4
                                   'search_artist'  'drive':1 'like':2 'maria':3
                                  'search_release'  'elmwood':1
                                     'search_rest'  '00poprockelectronic':1 'gr':9 'indierock':3 'king':4 'my':6 'of':5 'poprock':2 'rock':8 'stoner':10 'town':7
                                    'search_combo'  '00poprockelectronic':9 'drive':5B 'elmwood':8C 'gr':17 'indierock':11 'king':1A,12 'like':6B 'maria':7B 'my':3A,14 'of':2A,13 'poprock':10 'rock':16 'stoner':18 'town':4A,15
                                    'tag_tracknum'  7
                                      '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-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'stoner rock', 'dutch', 'belgian', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620388860.3269293  (2021-05-07 14:01:00)
                             'size'  7690280