======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '399'
                                          'artist'  'Les Rythmes Digitales'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Nothing Left (Orbital Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electro', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '86.585'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '86.585'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TIT2' (Title/songname/content description)         'Nothing Left (Orbital Mix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Rythmes Digitales'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electro', 'electronic', 'electronica']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.46 dB'
'TXXX:replaygain_track_peak'                        '0.716854'

========================== row from database ==========================
                                              'id'  1308250
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Les Rythmes Digitales/Nothing Left (Orbital Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  399
                                           'genre'  electronic-we-electro
                                        'filesize'  9601795
                                           'mtime'  1621695966
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats electronic we electro
                                      'tag_artist'  Les Rythmes Digitales
                                     'tag_release'  None
                                       'tag_title'  Nothing Left (Orbital Mix)
                                             'bpm'  86.585
                                    'search_title'  'left':2 'mix':5,6 'nothing':1 'orbital':3,4
                                   'search_artist'  'digitales':3 'les':1 'rythmes':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electro':8 'electronic':6 'harder':4 'house':3 'we':7
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 'beats':14 'digitales':9B 'electro':17 'electronic':15 'harder':13 'house':12 'left':2A 'les':7B 'mix':5A,6A 'nothing':1A 'orbital':3A,4A 'rythmes':8B 'we':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electro', 'electronic', 'electronica']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695966.291694  (2021-05-22 17:06:06)
                             'size'  9601795