======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '242'
                                          'artist'  'Captain Beefheart & His Magic Band'
                                     'text_people'  ''
                                         'release'  'Safe as Milk'
                                           'title'  "Autumn's Child"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'avant garde', 'psychedelic', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '19'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '143.9'
                                             'key'  '10A'
                                        'acoustid'  '5f107541-a809-4a70-8e11-9079e9a6e39f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'ExactAudioCopy v0.95b4'
'COMM:iTunNORM:eng'                                 (' 000011BF 00000795 00007DEC 00009BDB 00015D14 00036C05 00008669 000086B3 '
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'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007BC 0000000000A311B4 00000000 0058B07E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '1510B113+320637+19+150+10310+22315+34092+45507+61357+75417+86540+98865+113007+122722+133770+151945+170960+202227+224017+241692+253965+287147'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
'TALB' (Album/Movie/Show title)                     'Safe as Milk'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes 12.4.1.6'
'TIT2' (Title/songname/content description)         "Autumn's Child"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Captain Beefheart & His Magic Band'
'TPE2' (Band/orchestra/accompaniment)               'Captain Beefheart & His Magic Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Buddha Records'
'TRCK' (Track number/Position in set)               '12/19'
'TSO2'                                              'Captain Beefheart & His Magic Band'
'TSOP' (Performer sort order)                       'Captain Beefheart & His Magic Band'
'TXXX:ASIN'                                         'B00000J7A2'
'TXXX:Acoustid Id'                                  '5f107541-a809-4a70-8e11-9079e9a6e39f'
'TXXX:BARCODE'                                      '744659960529'
'TXXX:CATALOGNUMBER'                                '7446599605-2'
'TXXX:MusicBrainz Album Artist Id'                  '8dcd04e4-7695-4d80-bae9-1d7d680a38ef'
'TXXX:MusicBrainz Album Id'                         'bda63673-86e4-36b0-bd5e-aaab1fc98dbe'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8dcd04e4-7695-4d80-bae9-1d7d680a38ef'
'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:lastfmtags'                                   ['blues', 'avant garde', 'psychedelic', 'experimental', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.383143'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'15481040-e5de-4d7b-a9e9-0bdc75bfc9a0')

========================== row from database ==========================
                                              'id'  1498453
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Captain Beefheart & His Magic Band - Safe as Milk/12 Autumn_s Child.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  242
                                           'genre'  electronic-experimental
                                        'filesize'  5876791
                                           'mtime'  1622801427
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 12 Autumn_s electronic experimental
                                      'tag_artist'  Captain Beefheart & His Magic Band
                                     'tag_release'  Safe as Milk
                                       'tag_title'  Autumn's Child
                                             'bpm'  143.9
                                    'search_title'  'autumn':1 'autumns':3 'child':4 's':2
                                   'search_artist'  'band':5 'beefheart':2 'captain':1 'his':3 'magic':4
                                  'search_release'  'as':2 'milk':3 'safe':1
                                     'search_rest'  'autumn':1 'electronic':3 'experimental':4 's':2
                                    'search_combo'  'as':11C 'autumn':1A,13 'autumns':3A 'band':9B 'beefheart':6B 'captain':5B 'child':4A 'electronic':15 'experimental':16 'his':7B 'magic':8B 'milk':12C 's':2A,14 'safe':10C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'avant garde', 'psychedelic', 'experimental', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801426.8285694  (2021-06-04 12:10:26)
                             'size'  5876791