======================== unified (from filesystem) ========================
                                         'bitrate'  '155.265'
                                        'duration'  '312'
                                          'artist'  'Grant'
                                     'text_people'  ''
                                         'release'  'Calling All Fiends'
                                           'title'  'Follow My Signs'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['instrumental hip-hop', 'deep house', 'electronic', 'wonky', 'beats']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  '31'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '86.8'
                                             'key'  '8B'
                                        'acoustid'  'c7976c66-d0f0-45ea-9338-a7bde7fb9d73'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Calling All Fiends'
'TBPM' (BPM (beats per minute))                     '86.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Follow My Signs'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Grant'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Oddio Overplay'
'TRCK' (Track number/Position in set)               '28/31'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Grant'
'TXXX:Acoustid Id'                                  'c7976c66-d0f0-45ea-9338-a7bde7fb9d73'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'd7815d1e-0bff-4fea-8565-e176466ada7f'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '431de20a-d0ba-40ef-881a-af0b24227084'
'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'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental hip-hop', 'deep house', 'electronic', 'wonky', 'beats']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.13 dB'
'TXXX:replaygain_track_peak'                        '0.855202'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ca3e8cc1-2253-46de-939a-757ecfc41364')

========================== row from database ==========================
                                              'id'  1379476
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Lenkei - Calling All Fiends ~ frightening, damaging and disturbing (Oddio Overplay, 2006) [vBr]/28_-_grant_-_follow_my_signs_vbr.mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  312
                                           'genre'  electronic-unsorted
                                        'filesize'  6073523
                                           'mtime'  1621853240
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Lenkei ~ frightening, damaging and disturbing (Oddio Overplay, 2006) [vBr] 28_ _grant_ _follow_my_signs_vbr electronic unsorted
                                      'tag_artist'  Grant
                                     'tag_release'  Calling All Fiends
                                       'tag_title'  Follow My Signs
                                             'bpm'  86.8
                                    'search_title'  'follow':1 'my':2 'signs':3
                                   'search_artist'  'grant':1
                                  'search_release'  'all':2 'calling':1 'fiends':3
                                     'search_rest'  '2006':11,12 '28':15 'and':5 'br':25,26 'damaging':4 'disturbing':6 'electronic':21 'follow':17 'frightening':2,3 'grant':16 'lenkei':1 'my':18 'oddio':7,8 'overplay':9,10 'signs':19 'unsorted':22 'v':23,24 'vbr':13,14,20
                                    'search_combo'  '2006':18,19 '28':22 'all':6C 'and':12 'br':32,33 'calling':5C 'damaging':11 'disturbing':13 'electronic':28 'fiends':7C 'follow':1A,24 'frightening':9,10 'grant':4B,23 'lenkei':8 'my':2A,25 'oddio':14,15 'overplay':16,17 'signs':3A,26 'unsorted':29 'v':30,31 'vbr':20,21,27
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental hip-hop', 'deep house', 'electronic', 'wonky', 'beats']
                                        'tag_date'  2007
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621853240.4786448  (2021-05-24 12:47:20)
                             'size'  6073523