======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '177'
                                          'artist'  'Stray Cats'
                                     'text_people'  ''
                                         'release'  'Stray Cats'
                                           'title'  'My One Desire'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock n roll', 'psychobilly', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '85.1'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x96\x10\x00\x00'                PRIV(owner='AverageLevel', data=b'\x96\x10\x00\x00')
'PRIV:PeakValue:·~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xb7~\x00\x00')
'TALB' (Album/Movie/Show title)                     'Stray Cats'
'TBPM' (BPM (beats per minute))                     '85.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'My One Desire'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stray Cats'
'TRCK' (Track number/Position in set)               '11'
'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'                                  ['rock', 'rockabilly']
'TXXX:lastfmtags'                                   ['80s', 'rock n roll', 'psychobilly', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.832492'

========================== row from database ==========================
                                              'id'  1348634
                                            'path'  /data/Music/Bulk/00poprockelectronic/Stray Cats/Stray Cats - (1981) Stray Cats/Stray Cats - (1981) Stray Cats - 11 My One Desire.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  177
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4267905
                                           'mtime'  1620525868
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (1981) (1981) 11 rock rockabilly or psychobilly
                                      'tag_artist'  Stray Cats
                                     'tag_release'  Stray Cats
                                       'tag_title'  My One Desire
                                             'bpm'  85.1
                                    'search_title'  'desire':3 'my':1 'one':2
                                   'search_artist'  'cats':2 'stray':1
                                  'search_release'  'cats':2 'stray':1
                                     'search_rest'  '00poprockelectronic':1 '1981':2,3 'or':6 'psychobilly':7 'rock':4 'rockabilly':5
                                    'search_combo'  '00poprockelectronic':8 '1981':9,10 'cats':5B,7C 'desire':3A 'my':1A 'one':2A 'or':13 'psychobilly':14 'rock':11 'rockabilly':12 'stray':4B,6C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock n roll', 'psychobilly', 'rockabilly', 'rock']
                                        'tag_date'  1981
                                     'discogstags'  ['rock', 'rockabilly']

============================== file details ==============================
                                           'mtime'  1620525868.0851228  (2021-05-09 04:04:28)
                             'size'  4267905