======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '170'
                                          'artist'  'Miss X (Joyce Blair)'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Christine (1963)'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-PIANO-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-vocals-1', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '96.392'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '96.392'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TIT2' (Title/songname/content description)         'Christine (1963)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Miss X (Joyce Blair)'
'TXXX:Mp3gain_minmax'                               '106,205'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.361646'

========================== row from database ==========================
                                              'id'  767098
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Miss X (Joyce Blair) - Christine (1963).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  170
                                           'genre'  set-th-sex
                                        'filesize'  2042598
                                           'mtime'  1621428765
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy set th sex
                                      'tag_artist'  Miss X (Joyce Blair)
                                     'tag_release'  None
                                       'tag_title'  Christine (1963)
                                             'bpm'  96.392
                                    'search_title'  '1963':2,3 'christine':1
                                   'search_artist'  'blair':5,6 'joyce':3,4 'miss':1 'x':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'set':5 'sex':7 'sexy':4 'th':6 'themes':3
                                    'search_combo'  '0novelty':11 '0playlists':10 '1963':2A,3A 'blair':8B,9B 'christine':1A 'joyce':6B,7B 'miss':4B 'set':14 'sex':16 'sexy':13 'th':15 'themes':12 'x':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621428764.6752942  (2021-05-19 14:52:44)
                             'size'  2042598