======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '200'
                                          'artist'  'Les Baxter'
                                     'text_people'  ''
                                         'release'  'Alakazam the Great'
                                           'title'  'Blue Bird in the Cherry Tree'
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                                      'lastfmtags'  "['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '143.5'
                                             'key'  '5A'
                                        'acoustid'  'dc9e995a-71c4-41a2-95a2-c0ed6b59ffef'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::\x00\x00\x00'                                'Vee Jay LP-6000 Mono\r\nVocals by Bobby Adano'
'COMM::spa'                                         'Vee Jay LP-6000 Mono\r\nVocals'
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'TBPM' (BPM (beats per minute))                     '143.5'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDOR' (Original release time)                      '1961'
'TDRC' (Recording time)                             '1961'
'TENC' (Encoded by)                                 'Basic Hip Digita Oddio'
'TIT2' (Title/songname/content description)         'Blue Bird in the Cherry Tree'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Les Baxter'
'TPE2' (Band/orchestra/accompaniment)               'Les Baxter'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'VeeJay'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Baxter, Les'
'TSOP' (Performer sort order)                       'Baxter, Les'
'TXXX:Acoustid Id'                                  'dc9e995a-71c4-41a2-95a2-c0ed6b59ffef'
'TXXX:Artists'                                      'Les Baxter'
'TXXX:CATALOGNUMBER'                                'LP-6000'
'TXXX:MusicBrainz Album Artist Id'                  'b556bdfa-e55f-4891-a9cd-ba40010634e8'
'TXXX:MusicBrainz Album Id'                         '846a02ff-8e64-4e04-b83e-e073a7b10e8c'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        'b556bdfa-e55f-4891-a9cd-ba40010634e8'
'TXXX:MusicBrainz Release Group Id'                 'd3b0b481-08cb-3be1-af7e-9ca105824aac'
'TXXX:MusicBrainz Release Track Id'                 '49782fe2-fc74-307e-baff-dec998e41e73'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']
'TXXX:originalyear'                                 '1961'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.74 dB'
'TXXX:replaygain_track_peak'                        '0.490432'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'85c3634e-345e-494a-ada7-2307d234e049')

========================== row from database ==========================
                                              'id'  1292345
                                            'path'  /data/Music/Bulk/00spent/Alakazam The Great/07 Blue Bird In The Cherry Tree.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  200
                                           'genre'  entertaining-unsorted
                                        'filesize'  3326885
                                           'mtime'  1637330817
                                   'redo_metaread'  0
                                        'rest_str'   00spent The 07 In The entertaining unsorted
                                      'tag_artist'  Les Baxter
                                     'tag_release'  Alakazam the Great
                                       'tag_title'  Blue Bird in the Cherry Tree
                                             'bpm'  143.5
                                    'search_title'  'bird':2 'blue':1 'cherry':5 'in':3 'the':4 'tree':6
                                   'search_artist'  'baxter':2 'les':1
                                  'search_release'  'alakazam':1 'great':3 'the':2
                                     'search_rest'  '00spent':1 'entertaining':4 'in':3 'the':2 'unsorted':5
                                    'search_combo'  '00spent':12 'alakazam':9C 'baxter':8B 'bird':2A 'blue':1A 'cherry':5A 'entertaining':15 'great':11C 'in':3A,14 'les':7B 'the':4A,10C,13 'tree':6A 'unsorted':16
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'space age pop', 'jazz', 'exotica', 'easy listening']
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330816.9776216  (2021-11-19 15:06:56)
                             'size'  3326885