======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '23'
                                          'artist'  'BBC'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'WaterMusic15'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['shangaan', 'south african', 'spoken word', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '103.642'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '103.642'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'WaterMusic15'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'BBC'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '061,206'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Sortunder'                                    'b'
'TXXX:lastfmtags'                                   ['shangaan', 'south african', 'spoken word', 'british']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.62 dB'
'TXXX:replaygain_track_peak'                        '0.501068'

========================== row from database ==========================
                                              'id'  986542
                                            'path'  /data/Music/Bulk/sns/BBC_WaterMusic15_0006.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  23
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  379160
                                           'mtime'  1678464225
                                   'redo_metaread'  0
                                        'rest_str'   sns BBC_WaterMusic15_0006 set pl shirleyspinoza;set pl mor
                                      'tag_artist'  BBC
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  WaterMusic15
                                             'bpm'  103.642
                                    'search_title'  'music15':3 'water':2 'watermusic15':1
                                   'search_artist'  'bbc':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0006':4,15 'bbc':2,12 'mor':11 'music15':14 'pl':6 'set':5,8,10 'shirleyspinoza':7,9 'sns':1 'water':13 'watermusic15':3
                                    'search_combo'  '0006':10,21 'bbc':4B,8,18 'mor':17 'music15':3A,20 'pl':12 'set':11,14,16 'shirley':5C 'shirleyspinoza':13,15 'sns':7 'spinoza':6C 'water':2A,19 'watermusic15':1A,9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['shangaan', 'south african', 'spoken word', 'british']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678464224.6834114  (2023-03-10 17:03:44)
                             'size'  379160