======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '349'
                                          'artist'  'Informatics'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre, Volume 8'
                                           'title'  'The Great X-1'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['minimal synth', 'electronic', 'new wave', 'ebm', 'minimal wave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '18'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '142.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre, Volume 8'
'TBPM' (BPM (beats per minute))                     '142.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'The Great X-1'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Informatics'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A Tribute to Some Bizarre'
'TRCK' (Track number/Position in set)               '2/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Informatics'
'TXXX:Artists'                                      'Informatics'
'TXXX:CATALOGNUMBER'                                'ATTSB 08'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '162228d2-8b45-4cfa-9125-09037cdd5e6d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'b0bd3606-71da-4739-9831-57e9ca3ec86d'
'TXXX:MusicBrainz Release Group Id'                 '9047bd56-cb0c-4279-9be4-7a9eb4959b54'
'TXXX:MusicBrainz Release Track Id'                 'b0cf7da9-7d39-3d17-959c-9d2a2bead54d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal synth', 'electronic', 'new wave', 'ebm', 'minimal wave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.461067'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'09660edb-b70f-4404-a5d7-a2ed649f6536')

========================== row from database ==========================
                                              'id'  850910
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 8 [vBr]/02-infomatics-the great x-1.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  349
                                           'genre'  electronic-unsorted
                                        'filesize'  8474694
                                           'mtime'  1647348718
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. [vBr] 02 infomatics the great x electronic unsorted
                                      'tag_artist'  Informatics
                                     'tag_release'  A Tribute to Some Bizarre, Volume 8
                                       'tag_title'  The Great X-1
                                             'bpm'  142.6
                                    'search_title'  '1':4 'great':2 'the':1 'x':3 'x1':5
                                   'search_artist'  'informatics':1
                                  'search_release'  '8':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  'br':14,15 'electronic':10 'great':8 'infomatics':6 'the':7 'to':1 'unsorted':11 'v':12,13 'vbr':4,5 'vol':2,3 'x':9
                                    'search_combo'  '1':4A '8':14C 'a':7C 'bizarre':11C,12C 'br':28,29 'electronic':24 'great':2A,22 'infomatics':20 'informatics':6B 'some':10C 'the':1A,21 'to':9C,15 'tribute':8C 'unsorted':25 'v':26,27 'vbr':18,19 'vol':16,17 'volume':13C 'x':3A,23 'x1':5A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['minimal synth', 'electronic', 'new wave', 'ebm', 'minimal wave']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1647348718.0538573  (2022-03-15 13:51:58)
                             'size'  8474694