======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '393'
                                          'artist'  'Groove Armada'
                                     'text_people'  ''
                                         'release'  'Vertigo'
                                           'title'  'At The River'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic', 'house', 'trip hop', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '136.001'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3V1-Comment:eng'                            'Made with RealJukebox (tm)'
'COMM:ID3v1 Comment:XXX'                            'Made with RealJukebox (tm)'
'TALB' (Album/Movie/Show title)                     'Vertigo'
'TBPM' (BPM (beats per minute))                     '136.001'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'At The River'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Groove Armada'
'TRCK' (Track number/Position in set)               '9'
'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', 'house', 'trip hop', 'downtempo']
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.627952'

========================== row from database ==========================
                                              'id'  1406782
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Groove Armada - At the River.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  393
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  6296325
                                           'mtime'  1621695848
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat the electronic generic or radio dance
                                      'tag_artist'  Groove Armada
                                     'tag_release'  Vertigo
                                       'tag_title'  At The River
                                             'bpm'  136.001
                                    'search_title'  'at':1 'river':3 'the':2
                                   'search_artist'  'armada':2 'groove':1
                                  'search_release'  'vertigo':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':6 'generic':2 'or':7 'radio':8 'the':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':7 'armada':5B 'at':1A 'dance':9 'electronic':12 'generic':8 'groove':4B 'or':13 'radio':14 'river':3A 'the':2A,11 'trapbeat':10 'vertigo':6C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'chillout']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'house', 'trip hop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1621695847.5487733  (2021-05-22 17:04:07)
                             'size'  6296325