======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '340'
                                          'artist'  'The Neutronics'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre, Volume 4'
                                           'title'  'Emperor Song'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'soul', 'indie', 'funk', 'pop']"
                                     'discogstags'  "['electronic', 'synth-pop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '16'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '144.4'
                                             'key'  '4A'
                                        'acoustid'  'c2beb310-6610-451d-86b5-1cf7ba186f57'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre, Volume 4'
'TBPM' (BPM (beats per minute))                     '144.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Emperor Song'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'The Neutronics'
'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)               '4/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Neutronics, The'
'TXXX:Acoustid Id'                                  'c2beb310-6610-451d-86b5-1cf7ba186f57'
'TXXX:Artists'                                      'The Neutronics'
'TXXX:CATALOGNUMBER'                                'ATTSB 04'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '63812d71-281e-4544-a49b-1954b35352c3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '277c10a6-eebe-4996-8704-65bf83b5f51c'
'TXXX:MusicBrainz Release Group Id'                 '06e5fd0a-587e-42df-81ab-6ca466c159e8'
'TXXX:MusicBrainz Release Track Id'                 'e0300367-8378-3a21-bd4c-8c6fb86f5936'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'synth-pop', 'pop']
'TXXX:lastfmtags'                                   ['rock', 'soul', 'indie', 'funk', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.523050'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7d695096-50a1-472c-aa08-5dc13fa82d0d')

========================== row from database ==========================
                                              'id'  850808
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 4 [192kvbr]/04-the neutronics-emperor song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  340
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8227612
                                           'mtime'  1636915507
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. [192kvbr] 04 the neutronics emperor song electronic experimental oddness
                                      'tag_artist'  The Neutronics
                                     'tag_release'  A Tribute to Some Bizarre, Volume 4
                                       'tag_title'  Emperor Song
                                             'bpm'  144.4
                                    'search_title'  'emperor':1 'song':2
                                   'search_artist'  'neutronics':2 'the':1
                                  'search_release'  '4':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  '192kvbr':4,5 'electronic':10 'emperor':8 'experimental':11 'neutronics':7 'oddness':12 'song':9 'the':6 'to':1 'vol':2,3
                                    'search_combo'  '192kvbr':16,17 '4':12C 'a':5C 'bizarre':9C,10C 'electronic':22 'emperor':1A,20 'experimental':23 'neutronics':4B,19 'oddness':24 'some':8C 'song':2A,21 'the':3B,18 'to':7C,13 'tribute':6C 'vol':14,15 'volume':11C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'soul', 'indie', 'funk', 'pop']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic', 'synth-pop', 'pop']

============================== file details ==============================
                                           'mtime'  1636915507.0193124  (2021-11-14 19:45:07)
                             'size'  8227612