======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '458'
                                          'artist'  'Leftfield'
                                     'text_people'  ''
                                         'release'  'Leftism'
                                           'title'  'Release the Pressure'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic', 'leftfield', 'progressive house', 'breaks']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '110'
                                             'key'  '4A'
                                        'acoustid'  '23b0770b-8f6d-441c-b513-40fe34f76883'
rest: ''

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

'APIC:Retouched and rescaled (square) image for tagging'  type PictureType.COVER_FRONT (Cover (front)) b'Retouched and rescaled (square) image for tagging'
                                     
'TALB' (Album/Movie/Show title)                     'Leftism'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Release the Pressure'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Leftfield'
'TPE2' (Band/orchestra/accompaniment)               'Leftfield'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Columbia/Hard Hands'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Leftfield'
'TSOP' (Performer sort order)                       'Leftfield'
'TSRC' (ISRC (international standard recording code))  'GBARL1700365'
'TXXX:Acoustid Id'                                  '23b0770b-8f6d-441c-b513-40fe34f76883'
'TXXX:Artists'                                      'Leftfield'
'TXXX:BARCODE'                                      '5099747814228'
'TXXX:CATALOGNUMBER'                                '4781422010/HANDCD2'
'TXXX:MusicBrainz Album Artist Id'                  '369fbad4-6fa4-4dae-9842-a69826cd359d'
'TXXX:MusicBrainz Album Id'                         'ff4f886d-1b94-4981-8c11-780a087f99b1'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '369fbad4-6fa4-4dae-9842-a69826cd359d'
'TXXX:MusicBrainz Release Group Id'                 '9345480c-e2d2-3cb9-9205-88c8a70e911d'
'TXXX:MusicBrainz Release Track Id'                 '862d32f8-9ece-4656-ac20-71c75416f292'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'progressive house', 'breaks']
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'chillout']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.638610'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9d247f29-3b85-4ca7-991c-2c5b819546bb')

========================== row from database ==========================
                                              'id'  135867
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Leftfield/Leftism/MBZ;#Leftfield;#Leftism;#01;#Release the Pressure.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  458
                                           'genre'  electronic-th-techno
                                        'filesize'  7416099
                                           'mtime'  1639842649
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm MBZ;#Leftfield;#Leftism;#01;#Release electronic techno
                                      'tag_artist'  Leftfield
                                     'tag_release'  Leftism
                                       'tag_title'  Release the Pressure
                                             'bpm'  110.0
                                    'search_title'  'pressure':3 'release':1 'the':2
                                   'search_artist'  'leftfield':1
                                  'search_release'  'leftism':1
                                     'search_rest'  '01':4,9 'electronic':11 'leftfield':2,7 'leftism':3,8 'mbz':1,6 'release':5,10 'techno':12
                                    'search_combo'  '01':9,14 'electronic':16 'leftfield':4B,7,12 'leftism':5C,8,13 'mbz':6,11 'pressure':3A 'release':1A,10,15 'techno':17 'the':2A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           '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-4', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'chillout']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'leftfield', 'progressive house', 'breaks']

============================== file details ==============================
                                           'mtime'  1639842648.9825332  (2021-12-18 16:50:48)
                             'size'  7416099