======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '357'
                                          'artist'  'Christian Smith, 2pole'
                                     'text_people'  ''
                                         'release'  'Clean'
                                           'title'  'Endurance (303 Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '128'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'APIC: '                                            type PictureType.FISH (A bright coloured fish) b' '
                                     
'COMM::eng'                                         'Reviewed'
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'POPM: '                                            POPM(email=' ', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Clean'
'TBPM' (BPM (beats per minute))                     '128'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2018-04-16'
'TDRC' (Recording time)                             '2018'
'TDRL' (Release time)                               '2018-04-16'
'TIT2' (Title/songname/content description)         'Endurance (303 Mix)'
'TKEY' (Initial key)                                '1B'
'TMOO' (Mood)                                       'Dirty, Techy, Heavy'
'TPE1' (Lead performer(s)/Soloist(s))               'Christian Smith, 2pole'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Tronic'
'TSRC' (ISRC (international standard recording code))  'GBKQU1831000'
'TXXX:EnergyLevel'                                  '6'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.360629'
'UFID:http://www.beatport.com'                      UFID(owner='http://www.beatport.com', data=b'track-10429275')

========================== row from database ==========================
                                              'id'  1332192
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Music - Clean/Christian Smith, 2pole - Endurance (303 Mix) [Tronic] - 1A - 128.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  357
                                           'genre'  electronic-th-techno
                                        'filesize'  14716772
                                           'mtime'  1620563965
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Music [Tronic] 1A 128 electronic techno
                                      'tag_artist'  Christian Smith, 2pole
                                     'tag_release'  Clean
                                       'tag_title'  Endurance (303 Mix)
                                             'bpm'  128.0
                                    'search_title'  '303':2,3 'endurance':1 'mix':4,5
                                   'search_artist'  '2pole':4 'christian':1 'smith':2,3
                                  'search_release'  'clean':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '128':10 '1a':9 'beats':5 'electronic':11 'harder':4 'house':3 'music':6 'techno':12 'tronic':7,8
                                    'search_combo'  '00poprockelectronic':11 '00techno':12 '128':20 '1a':19 '2pole':9B '303':2A,3A 'beats':15 'christian':6B 'clean':10C 'electronic':21 'endurance':1A 'harder':14 'house':13 'mix':4A,5A 'music':16 'smith':7B,8B 'techno':22 'tronic':17,18
                                    'tag_tracknum'  None
                                      'num_images'  2
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2018
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620563964.6526334  (2021-05-09 14:39:24)
                             'size'  14716772