======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '208'
                                          'artist'  'Tommy Dorsey'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'The Song Is You'
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 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  ("['big bands of the 30s and 40s', 'jazz', 'big band', '40s', 'swing', "
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                                     'discogstags'  "['swing', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '17'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-big band'
                                             'bpm'  '144.335'
                                             'key'  '6A'
                                        'acoustid'  '4e7842d3-f702-4e29-82f6-2ae6fb1fc92e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:+\x14\x00\x00'                   PRIV(owner='AverageLevel', data=b'+\x14\x00\x00')
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'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '144.335'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-big band'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'The Song Is You'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '208890'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tommy Dorsey'
'TPE2' (Band/orchestra/accompaniment)               'Tommy Dorsey'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'RCA Victor'
'TRCK' (Track number/Position in set)               '14/17'
'TSO2'                                              'Dorsey, Tommy'
'TSOP' (Performer sort order)                       'Dorsey, Tommy'
'TXXX:ASIN'                                         'B000003G2N'
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'TXXX:BARCODE'                                      '090266849222'
'TXXX:CATALOGNUMBER'                                '09026-68492-2'
'TXXX:MusicBrainz Album Artist Id'                  'b1cfd018-b393-4632-babc-8a343edb4baa'
'TXXX:MusicBrainz Album Id'                         'b1e55ee6-2ffb-4516-8068-c7825c9d3289'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'b1cfd018-b393-4632-babc-8a343edb4baa'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['swing', 'jazz']
'TXXX:lastfmtags'                                   ['big bands of the 30s and 40s', 'jazz', 'big band', '40s', 'swing', 'trombone']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.431784'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'49ac1e8c-ff5e-48f9-ae36-463914a85d02')

========================== row from database ==========================
                                              'id'  1529037
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/tommy dorsey - the song is you.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  208
                                           'genre'  prerock-jb-jazz-o-big band
                                        'filesize'  3356789
                                           'mtime'  1620527974
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection tommy dorsey the song is you prerock jb jazz big band
                                      'tag_artist'  Tommy Dorsey
                                     'tag_release'  Greatest Hits
                                       'tag_title'  The Song Is You
                                             'bpm'  144.335
                                    'search_title'  'is':3 'song':2 'the':1 'you':4
                                   'search_artist'  'dorsey':2 'tommy':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '30':5 'band':17 'big':16 'collection':7 'country':4 'dorsey':9 'exotica':2 'is':12 'jazz':1 'jb':15 'oldies':3 'prerock':14 's':6 'song':11 'the':10 'tommy':8 'you':13
                                    'search_combo'  '30':13 'band':25 'big':24 'collection':15 'country':12 'dorsey':6B,17 'exotica':10 'greatest':7C 'hits':8C 'is':3A,20 'jazz':9 'jb':23 'oldies':11 'prerock':22 's':14 'song':2A,19 'the':1A,18 'tommy':5B,16 'you':4A,21
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['big bands of the 30s and 40s', 'jazz', 'big band', '40s', 'swing', 'trombone']
                                        'tag_date'  1935
                                     'discogstags'  ['swing', 'jazz']

============================== file details ==============================
                                           'mtime'  1620527973.8572369  (2021-05-09 04:39:33)
                             'size'  3356789