======================== unified (from filesystem) ========================
                                         'bitrate'  '253.252'
                                        'duration'  '319'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Wind It Up (Rewound)'
                                           'title'  'We Are The Ruffest'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'jungle', 'happy hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '96.853'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wind It Up (Rewound)'
'TBPM' (BPM (beats per minute))                     '96.853'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'We Are The Ruffest'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'breakbeat', 'jungle', 'happy hardcore']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.553767'

========================== row from database ==========================
                                              'id'  1353473
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/#singles/06. Wind It Up (1993)/02 - We Are The Ruffest.mp3
                                         'working'  None
                                         'bitrate'  253
                                    'duration_sec'  319
                                           'genre'  electronic-th-techno
                                        'filesize'  10128153
                                           'mtime'  1620571794
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic #singles 06. (1993) 02 electronic th techno
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Wind It Up (Rewound)
                                       'tag_title'  We Are The Ruffest
                                             'bpm'  96.853
                                    'search_title'  'are':2 'ruffest':4 'the':3 'we':1
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'it':2 'rewound':4,5 'up':3 'wind':1
                                     'search_rest'  '00poprockelectronic':1 '06':4,5 '1993':6,7 'electronic':8 'singles':2,3 'techno':10 'th':9
                                    'search_combo'  '00poprockelectronic':12 '06':15,16 '1993':17,18 'are':2A 'electronic':19 'it':8C 'prodigy':6B 'rewound':10C,11C 'ruffest':4A 'singles':13,14 'techno':21 'th':20 'the':3A,5B 'up':9C 'we':1A 'wind':7C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic', 'breakbeat', 'jungle', 'happy hardcore']

============================== file details ==============================
                                           'mtime'  1620571794.3932164  (2021-05-09 16:49:54)
                             'size'  10128153