======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '304'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Music For The Jilted Generation'
                                           'title'  'Full Throttle'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'techno', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '120.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Music For The Jilted Generation'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1994'
'TENC' (Encoded by)                                 'www.mp3reactor.2xt.de (MusicBoys)'
'TIT2' (Title/songname/content description)         'Full Throttle'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TRCK' (Track number/Position in set)               '4'
'TXXX:FMPS_Rating'                                  '0.6'
'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', 'breakbeat', 'techno', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.592191'

========================== row from database ==========================
                                              'id'  1353856
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Prodigy/MBZ;#The Prodigy;#Music for the Jilted Generation;#04;#Full Throttle.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  304
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  12203543
                                           'mtime'  1621696628
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Prodigy;#Music for the Generation;#04;#Full electronic generic radio bigbeat
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Music For The Jilted Generation
                                       'tag_title'  Full Throttle
                                             'bpm'  120.0
                                    'search_title'  'full':1 'throttle':2
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'for':2 'generation':5 'jilted':4 'music':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '04':13,16 'bigbeat':21 'electronic':18 'for':10 'full':14,17 'generation':12,15 'generic':19 'mbz':2,4 'music':7,9 'prodigy':6,8 'radio':20 'the':3,5,11
                                    'search_combo'  '00poprockelectronic':10 '04':22,25 'bigbeat':30 'electronic':27 'for':6C,19 'full':1A,23,26 'generation':9C,21,24 'generic':28 'jilted':8C 'mbz':11,13 'music':5C,16,18 'prodigy':4B,15,17 'radio':29 'the':3B,7C,12,14,20 'throttle':2A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             '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-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic', 'breakbeat', 'techno', 'big beat']

============================== file details ==============================
                                           'mtime'  1621696628.2261925  (2021-05-22 17:17:08)
                             'size'  12203543