======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '1554'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-SYN-3', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', "
 "'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '119.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.5'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.73 dB'
'TXXX:replaygain_track_peak'                        '0.866919'

========================== row from database ==========================
                                              'id'  1539511
                                            'path'  /data/Music/Bulk/00dwimp/VoxSinistra/Potochkine (live) - Strict Tempo 07.02.2020-1117350961.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  1554
                                           'genre'  
                                        'filesize'  24882794
                                           'mtime'  1678641763
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp VoxSinistra Potochkine (live) Strict Tempo 07.02.2020 1117350961
                                      'tag_artist'  None
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  119.5
                                    'search_title'  None
                                   'search_artist'  None
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '02':9 '07':8 '07022020':11 '1117350961':12 '2020':10 'live':4,5 'potochkine':3 'sinistra':14 'strict':6 'tempo':7 'vox':13 'voxsinistra':2
                                    'search_combo'  '00dwimp':1 '02':9 '07':8 '07022020':11 '1117350961':12 '2020':10 'live':4,5 'potochkine':3 'sinistra':14 'strict':6 'tempo':7 'vox':13 'voxsinistra':2
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-SYN-3', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678641762.6683607  (2023-03-12 18:22:42)
                             'size'  24882794