======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '248'
                                          'artist'  'Slugabed'
                                     'text_people'  ''
                                         'release'  'Ultra Heat Treated E.P.'
                                           'title'  'Quantum Leap'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'hip hop', 'dubstep', 'wonky', 'glitch']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '6'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '92.9'
                                             'key'  '8A'
                                        'acoustid'  'f0147c03-b2e6-4fc9-855b-bb0bb9112a15'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ultra Heat Treated E.P.'
'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-02-08'
'TIT2' (Title/songname/content description)         'Quantum Leap'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Slugabed'
'TPE2' (Band/orchestra/accompaniment)               'Slugabed'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Planet Mu'
'TRCK' (Track number/Position in set)               '4/6'
'TSO2'                                              'Slugabed'
'TSOP' (Performer sort order)                       'Slugabed'
'TXXX:ASIN'                                         'B0033I5MRC'
'TXXX:Acoustid Id'                                  'f0147c03-b2e6-4fc9-855b-bb0bb9112a15'
'TXXX:BARCODE'                                      '600116826312'
'TXXX:CATALOGNUMBER'                                'ZIQ263'
'TXXX:HUY'                                          ' '
'TXXX:MusicBrainz Album Artist Id'                  'f32e8860-3a92-43f6-999e-c684dca76c03'
'TXXX:MusicBrainz Album Id'                         '1ca566bb-ca2a-4e2c-9252-217c72258e9d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'f32e8860-3a92-43f6-999e-c684dca76c03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'hip hop', 'dubstep', 'wonky', 'glitch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.86 dB'
'TXXX:replaygain_track_peak'                        '0.366436'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'805f07e9-67e6-4ada-9199-132266b31bc2')

========================== row from database ==========================
                                              'id'  1345309
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Slugabed - Ultra Heat Treated Ep/04 Quantum Leap.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  248
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  10692238
                                           'mtime'  1620564247
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Ep 04 electronic generic or radio beats
                                      'tag_artist'  Slugabed
                                     'tag_release'  Ultra Heat Treated E.P.
                                       'tag_title'  Quantum Leap
                                             'bpm'  92.9
                                    'search_title'  'leap':2 'quantum':1
                                   'search_artist'  'slugabed':1
                                  'search_release'  'e':4 'ep':6 'heat':2 'p':5 'treated':3 'ultra':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':7 'ep':6 'generic':8 'harder':4 'house':3 'or':9 'radio':10
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 'beats':14 'e':7C 'electronic':16 'ep':9C,15 'generic':17 'harder':13 'heat':5C 'house':12 'leap':2A 'or':18 'p':8C 'quantum':1A 'radio':19 'slugabed':3B 'treated':6C 'ultra':4C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'hip hop', 'dubstep', 'wonky', 'glitch']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620564246.928325  (2021-05-09 14:44:06)
                             'size'  10692238