======================== unified (from filesystem) ========================
                                         'bitrate'  '212.455'
                                        'duration'  '506'
                                          'artist'  'Röyksopp'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'What Else Is There (Thin White'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '124.011'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.011'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TIT2' (Title/songname/content description)         'What Else Is There (Thin White'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Röyksopp'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.517419'

========================== row from database ==========================
                                              'id'  1520173
                                            'path'  /data/Music/Bulk/00poprockelectronic/Royksopp/R Yksopp (Featuring Karin Dreijer From The Knife) - What Else Is There (Jacques Lu Cont_s Thin White Duke Mix) (200).mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  506
                                           'genre'  electronic
                                        'filesize'  13441979
                                           'mtime'  1636914327
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Royksopp Yksopp (Featuring Karin Dreijer From Knife) (Jacques Lu Cont_s Duke Mix) (200) electronic
                                      'tag_artist'  Röyksopp
                                     'tag_release'  None
                                       'tag_title'  What Else Is There (Thin White
                                             'bpm'  124.011
                                    'search_title'  'else':2 'is':3 'there':4 'thin':5,6 'what':1 'white':7
                                   'search_artist'  'royksopp':1,2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '200':19,20 'cont':14 'dreijer':7 'duke':16 'electronic':21 'featuring':4,5 'from':8 'jacques':11,12 'karin':6 'knife':9,10 'lu':13 'mix':17,18 'royksopp':2 's':15 'yksopp':3
                                    'search_combo'  '00poprockelectronic':10 '200':28,29 'cont':23 'dreijer':16 'duke':25 'electronic':30 'else':2A 'featuring':13,14 'from':17 'is':3A 'jacques':20,21 'karin':15 'knife':18,19 'lu':22 'mix':26,27 'royksopp':8B,9B,11 's':24 'there':4A 'thin':5A,6A 'what':1A 'white':7A 'yksopp':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914326.5745795  (2021-11-14 19:25:26)
                             'size'  13441979