======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '262'
                                          'artist'  'Gore'
                                     'text_people'  ''
                                         'release'  "Hart Gore / Mean Man's Dream"
                                           'title'  'USA Is Calling'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['goregrind', 'instrumental', 'grindcore', 'brutal death metal', 'noise rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '23'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '117.330'
                                             'key'  '8A'
                                        'acoustid'  '482a5107-dd47-4dcc-a0c5-5ce7ce32bbd1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000000 00000210 000009FC'
'COMM:iTunNORM:eng'                                 (' 00001019 0000137E 0000397B 0000461A 00021C00 00002405 00007F73 00007C8A '
 '00019F9C 000073B6')
'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009FC 0000000000B06B74 00000000 009FEEDC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '23+BAFC60BB9789294A798A3539F97BFDBE+12004290'
'TALB' (Album/Movie/Show title)                     "Hart Gore / Mean Man's Dream"
'TBPM' (BPM (beats per minute))                     '117.330'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-11-11'
'TENC' (Encoded by)                                 'iTunes 8.1.0.52'
'TIT2' (Title/songname/content description)         'USA Is Calling'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Gore'
'TPE2' (Band/orchestra/accompaniment)               'Gore'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Southern Lord'
'TRCK' (Track number/Position in set)               '6/23'
'TSO2'                                              'Gore'
'TSOP' (Performer sort order)                       'Gore'
'TSST' (Set subtitle)                               'Hart Gore'
'TXXX:ASIN'                                         'B001HM84QM'
'TXXX:Acoustid Id'                                  '482a5107-dd47-4dcc-a0c5-5ce7ce32bbd1'
'TXXX:BARCODE'                                      '808720009620'
'TXXX:CATALOGNUMBER'                                'sunn96'
'TXXX:DISCOGS_ARTIST_LINK'                          'Gore'
'TXXX:DISCOGS_CATALOG'                              'sunn96'
'TXXX:DISCOGS_COUNTRY'                              'US'
'TXXX:DISCOGS_LABEL_LINK'                           'Southern%20Lord'
'TXXX:DISCOGS_ORIGINAL_TRACK_NUMBER'                '06'
'TXXX:DISCOGS_RELEASED'                             '2008'
'TXXX:DISCOGS_RELEASE_ID'                           '1617042'
'TXXX:MusicBrainz Album Artist Id'                  '9dd2db52-68e0-4718-9759-0f750ba3175c'
'TXXX:MusicBrainz Album Id'                         '4486b42c-90e2-43a4-9177-6aad3ed3365c'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '9dd2db52-68e0-4718-9759-0f750ba3175c'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:STYLE'                                        'Industrial'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['goregrind', 'instrumental', 'grindcore', 'brutal death metal', 'noise rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.89 dB'
'TXXX:replaygain_track_peak'                        '0.493900'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd1d09da2-115a-4109-8a29-e1be3078d2f7')

========================== row from database ==========================
                                              'id'  1401619
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Hart Gore (1986)/06. Call Me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  262
                                           'genre'  eid-metal-death
                                        'filesize'  12189704
                                           'mtime'  1620301964
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (1986) 06. eid metal death
                                      'tag_artist'  Gore
                                     'tag_release'  Hart Gore / Mean Man's Dream
                                       'tag_title'  USA Is Calling
                                             'bpm'  117.33
                                    'search_title'  'calling':3 'is':2 'usa':1
                                   'search_artist'  'gore':1
                                  'search_release'  'dream':7 'gore':2 'hart':1 'man':4 'mans':6 'mean':3 's':5
                                     'search_rest'  '00dwimp':1 '00metal':2 '06':5,6 '1986':3,4 'death':9 'eid':7 'metal':8
                                    'search_combo'  '00dwimp':12 '00metal':13 '06':16,17 '1986':14,15 'calling':3A 'death':20 'dream':11C 'eid':18 'gore':4B,6C 'hart':5C 'is':2A 'man':8C 'mans':10C 'mean':7C 'metal':19 's':9C 'usa':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['goregrind', 'instrumental', 'grindcore', 'brutal death metal', 'noise rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301963.638112  (2021-05-06 13:52:43)
                             'size'  12189704