======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '10133'
                                          '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-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', "
 "'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '130.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.1'
'TKEY' (Initial key)                                '6A'
'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:replaygain_track_gain'                        '-3.82 dB'
'TXXX:replaygain_track_peak'                        '1.025675'

========================== row from database ==========================
                                              'id'  1539576
                                            'path'  /data/Music/Bulk/00dwimp/VoxSinistra/Strict Tempo 07.21.2022 (Two Headed Viper)-1310371456.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  10133
                                           'genre'  
                                        'filesize'  162134738
                                           'mtime'  1678647013
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp VoxSinistra Strict Tempo 07.21.2022 (Two Headed Viper) 1310371456
                                      'tag_artist'  None
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  130.1
                                    'search_title'  None
                                   'search_artist'  None
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '07':5 '07212022':8 '1310371456':14 '2022':7 '21':6 'headed':11 'sinistra':16 'strict':3 'tempo':4 'two':9,10 'viper':12,13 'vox':15 'voxsinistra':2
                                    'search_combo'  '00dwimp':1 '07':5 '07212022':8 '1310371456':14 '2022':7 '21':6 'headed':11 'sinistra':16 'strict':3 'tempo':4 'two':9,10 'viper':12,13 'vox':15 'voxsinistra':2
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-SYN-3', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678647012.8535106  (2023-03-12 19:50:12)
                             'size'  162134738