======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '167'
                                          'artist'  'Claude Valade'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "C'est Beau La Vie"
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '145.371'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.371'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "C'est Beau La Vie"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Claude Valade'
'TPE2' (Band/orchestra/accompaniment)               'Claude Valade'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+11.09 dB'
'TXXX:replaygain_track_peak'                        '0.127503'

========================== row from database ==========================
                                              'id'  1499514
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Claude Valade - C_est Beau La Vie [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  167
                                           'genre'  
                                        'filesize'  4020234
                                           'mtime'  1652397951
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] C_est []
                                      'tag_artist'  Claude Valade
                                     'tag_release'  None
                                       'tag_title'  C'est Beau La Vie
                                             'bpm'  145.371
                                    'search_title'  'beau':4 'c':1 'cest':3 'est':2 'la':5 'vie':6
                                   'search_artist'  'claude':1 'valade':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'c':7 'est':8 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'beau':4A 'c':1A,15 'cest':3A 'claude':7B 'est':2A,16 'files':13,14 'la':5A 'loose':11,12 'unsorted':10 'valade':8B 'vie':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1652397950.8551292  (2022-05-13 01:25:50)
                             'size'  4020234