======================== unified (from filesystem) ========================
                                         'bitrate'  '274.297'
                                        'duration'  '173'
                                          'artist'  'Extra Life'
                                     'text_people'  'Charlie Looker'
                                         'release'  'Secular Works'
                                           'title'  'The Refrain'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['math rock', 'experimental rock', 'progressive rock', 'avant garde', "
 "'experimental']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '144.5'
                                             'key'  '2B'
                                        'acoustid'  '81f45592-9f84-4480-a3cf-8d3f14c6b89e'
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000B50 00000D4A 00003401 00002B8D 000275B1 0000E549 00008A1B 00008A1B '
 '00024C78 00028C24')
'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A38 0000000000748338 00000000 005A8935 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '7+C52EE552CE0E0F2831A1FE6EF32A5CBC+10775012'
'TALB' (Album/Movie/Show title)                     'Secular Works'
'TBPM' (BPM (beats per minute))                     '144.5'
'TCOM' (Composer)                                   'Charlie Looker'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-04-03'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23'
'TIT2' (Title/songname/content description)         'The Refrain'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Extra Life'
'TPE2' (Band/orchestra/accompaniment)               'Extra Life'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Planaria Recordings'
'TRCK' (Track number/Position in set)               '4/7'
'TSO2'                                              'Extra Life'
'TSOP' (Performer sort order)                       'Extra Life'
'TXXX:Acoustid Id'                                  '81f45592-9f84-4480-a3cf-8d3f14c6b89e'
'TXXX:MusicBrainz Album Artist Id'                  'd52356ed-1452-4e29-8ecb-d74f68d0f2aa'
'TXXX:MusicBrainz Album Id'                         'd6bea985-43f1-43f4-bd74-fea48cce6f63'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd52356ed-1452-4e29-8ecb-d74f68d0f2aa'
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'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'                                  'rock'
'TXXX:lastfmtags'                                   ['math rock',
 'experimental rock',
 'progressive rock',
 'avant garde',
 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.544099'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'16cbb51a-e348-4339-8f83-3d0b0367d75e')

========================== row from database ==========================
                                              'id'  1380093
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Extra Life - Secular Works [2008, Planaria]/Extra Life - 04 - The Refrain.mp3
                                         'working'  None
                                         'bitrate'  274
                                    'duration_sec'  173
                                           'genre'  electronic-experimental
                                        'filesize'  5946088
                                           'mtime'  1636916857
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2008, Planaria] 04 electronic experimental
                                      'tag_artist'  Extra Life
                                     'tag_release'  Secular Works
                                       'tag_title'  The Refrain
                                             'bpm'  144.5
                                    'search_title'  'refrain':2 'the':1
                                   'search_artist'  'extra':1 'life':2
                                  'search_release'  'secular':1 'works':2
                                     'search_rest'  '2008':1,2 'electronic':5 'experimental':6 'planaria':3,4
                                    'search_combo'  '2008':7,8 'electronic':11 'experimental':12 'extra':3B 'life':4B 'planaria':9,10 'refrain':2A 'secular':5C 'the':1A 'works':6C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['math rock', 'experimental rock', 'progressive rock', 'avant garde', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636916857.3260036  (2021-11-14 20:07:37)
                             'size'  5946088