======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '195'
                                          'artist'  'Sir Richard Bishop'
                                     'text_people'  ''
                                         'release'  'Neither Fish, Nor Flesh, Nor Good Red Herring'
                                           'title'  'Corporal Blood Vessel'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '14'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic;mi-guitar-acoustic'
                                             'bpm'  '112.6'
                                             'key'  '1A'
                                        'acoustid'  'b8fab3dd-a15f-4262-b04f-2f9d11340889'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Neither Fish, Nor Flesh, Nor Good Red Herring'
'TBPM' (BPM (beats per minute))                     '112.6'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'mi-guitar-acoustic']
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-11-17'
'TIT2' (Title/songname/content description)         'Corporal Blood Vessel'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Sir Richard Bishop'
'TPE2' (Band/orchestra/accompaniment)               'Sir Richard Bishop'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '13/14'
'TSO2'                                              'Bishop, Sir Richard'
'TSOP' (Performer sort order)                       'Bishop, Sir Richard'
'TXXX:Acoustid Id'                                  'b8fab3dd-a15f-4262-b04f-2f9d11340889'
'TXXX:MusicBrainz Album Artist Id'                  'a444f8ff-2f8b-438b-a680-32c1f393244b'
'TXXX:MusicBrainz Album Id'                         'ba144a7e-28ac-463e-b3f0-78488d32bbdb'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a444f8ff-2f8b-438b-a680-32c1f393244b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.699535'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'eb4179bf-ac65-46c6-8028-064313d2d257')

========================== row from database ==========================
                                              'id'  1380622
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Sir Richard Bishop/Neither Fish, Nor Flesh/13-Corporal Blood Vessel.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  195
                                           'genre'  electronic;mi-guitar-acoustic
                                        'filesize'  6245926
                                           'mtime'  1636913408
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 13 electronic;mi guitar acoustic
                                      'tag_artist'  Sir Richard Bishop
                                     'tag_release'  Neither Fish, Nor Flesh, Nor Good Red Herring
                                       'tag_title'  Corporal Blood Vessel
                                             'bpm'  112.6
                                    'search_title'  'blood':2 'corporal':1 'vessel':3
                                   'search_artist'  'bishop':3 'richard':2 'sir':1
                                  'search_release'  'fish':2,3 'flesh':5,6 'good':7 'herring':9 'neither':1 'nor':4 'red':8
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'acoustic':8 'electronic':3,5 'guitar':7 'mi':4,6
                                    'search_combo'  '00calmer':17 '00poprockelectronic':16 'acoustic':23 'bishop':6B 'blood':2A 'corporal':1A 'electronic':18,20 'fish':8C,9C 'flesh':11C,12C 'good':13C 'guitar':22 'herring':15C 'mi':19,21 'neither':7C 'nor':10C 'red':14C 'richard':5B 'sir':4B 'vessel':3A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'guitar', 'experimental', 'folk', 'acoustic']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913408.4821272  (2021-11-14 19:10:08)
                             'size'  6245926